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1、 練習(xí)范圍：  月  日  姓名 : 加法交換律和結(jié)合律 題數(shù)：100 分 秒 成績 : 615 + 86 + 185 = 228 - 211 + 172 = 235 + 253 + 265 = 379 + 15 + 885 = 680 - 65 - 335 = 262 + 187 + 213 = 919 + 194 + 206 = 956 + 627 - 656 = 409 + 113 + 391 = 939 - 241 - 559 = 5 + 348 + 95 = 576

2、 - 143 - 376 = 195 + 665 - 145 = 139 + 661 + 380 = 972 - 220 - 672 =  81 - 23 + 319 = 966 - 361 - 539 = 357 - 274 - 26 = 712 - 686 + 88 = 89 + 432 - 69 = 656 + 244 + 376 = 811 + 276 + 124 = 554 - 409 + 346 = 472 + 688 + 228 = 283 + 317 + 10 = 519 + 82 + 618

3、= 27 + 352 + 23 = 379 + 161 - 309 = 784 - 64 - 84 = 951 - 490 - 10 =  621 - 150 + 79 = 656 - 215 - 285 = 829 - 104 - 196 = 535 - 428 + 365 = 189 - 36 - 119 = 282 - 134 + 418 = 402 - 369 - 2 = 419 + 381 + 249 = 662 + 462 - 462 = 408 - 170 + 92 = 752 - 552

4、+ 148 = 782 - 51 - 149 = 745 + 681 + 55 = 969 - 272 - 369 = 28 + 281 + 2 = 321 + 933 + 279 = 226 - 115 + 474 = 449 + 251 + 788 = 594 - 406 + 6 = 958 - 106 - 258 = 193 + 607 + 958 = 535 + 265 + 275 = 669 - 177 - 223 = 968 - 117 - 583 = 558 - 56 + 42 = 89

5、0 - 127 + 10 = 652 - 54 - 592 = 823 - 42 - 758 = 772 + 686 - 572 = 105 + 295 + 220 = 389 + 472 + 411 = 729 + 75 + 71 = 325 + 826 - 225 = 692 + 108 + 286 = 543 - 175 - 343 = 614 + 33 + 67 = 324 + 276 + 519 = 784 - 653 - 47 = 25 + 963 + 5 = 591 - 372 + 209 =

6、 597 + 303 + 778 = 953 - 383 - 253 = 701 - 698 - 1 = 98 + 52 + 202 = 525 - 501 + 75 = 649 + 305 - 579 = 75 + 305 + 825 = 809 - 290 - 309 = 804 - 647 - 104 = 944 - 385 - 15 = 514 - 46 + 86 = 873 + 380 + 420 = 286 + 173 - 206 = 581 + 253 + 47 = 796 + 333 - 196

7、= 676 + 224 + 276 = 266 + 610 + 434 = 722 - 283 + 78 = 409 + 876 + 291 = 338 + 206 + 94 = 785 + 115 + 144 = 40 + 361 + 50 = 11 + 834 + 689 = 89 + 558 + 611 = 105 + 881 + 595 = 237 + 212 + 588 = 376 - 66 + 124 = 79 + 660 + 140 = 574 - 411 - 89 = 168 + 82 +

8、 18 = 練習(xí)范圍：加法交換律和結(jié)合 律 題數(shù)：100  月 分  日 秒  姓名 : 成績 : 120 + 780 + 979 = 592 + 308 + 44 = 129 + 571 + 126 = 992 + 231 + 69 = 101 + 521 + 379 = 883 - 716 - 84 = 623 - 328 - 172 = 858 + 349 - 838 = 651 - 8 + 149 = 661 - 2 + 239 = 990 + 223 + 377 =

9、 697 + 5 + 5 = 608 - 274 - 126 = 942 - 345 - 342 = 493 - 366 + 407 =  534 + 502 + 266 = 456 + 6 + 894 = 587 + 115 - 187 = 516 - 234 - 16 = 149 + 414 + 551 = 204 + 674 + 226 = 287 + 304 + 513 = 389 + 616 + 284 = 874 - 16 - 34 = 391 + 109 + 20 = 709 + 207 +

10、 593 = 234 - 208 + 566 = 107 - 36 - 54 = 278 + 122 + 649 = 96 + 704 + 111 =  603 - 401 - 103 = 819 - 157 - 243 = 362 - 63 + 138 = 21 + 249 - 1 = 585 - 319 + 115 = 696 + 954 + 204 = 333 + 521 - 253 = 365 - 29 - 305 = 920 + 120 - 880 = 565 - 291 - 165 = 547

11、 + 153 + 851 = 210 + 771 + 29 = 593 - 56 - 44 = 337 - 196 - 104 = 910 + 814 - 820 = 458 + 235 + 165 = 264 - 158 + 336 = 575 + 9 + 11 = 644 + 899 - 554 = 282 + 223 + 418 = 936 + 386 - 846 = 115 + 172 + 185 = 802 - 408 - 292 = 963 + 37 + 53 = 795 - 770 + 5 =

12、 712 + 2 - 652 = 808 - 401 - 108 = 945 - 89 - 445 = 79 + 821 + 483 = 286 + 214 + 505 = 335 - 15 + 65 = 213 + 287 + 257 = 145 + 758 - 75 = 326 + 474 + 301 = 627 - 16 - 567 = 152 + 526 + 148 = 526 + 252 + 248 = 347 + 553 + 555 = 243 - 164 + 657 = 398 + 648 -

13、 98 = 981 - 76 - 381 = 936 - 93 - 707 = 918 - 428 - 272 = 701 - 472 - 1 = 776 - 205 - 195 = 215 + 271 - 115 = 94 + 159 + 241 = 866 - 311 - 189 = 126 + 455 + 474 = 563 + 137 + 838 = 526 + 802 + 74 = 667 + 33 + 309 = 961 - 169 - 61 = 682 + 45 + 855 = 254 - 1

14、64 + 546 = 456 + 244 + 935 = 248 + 630 + 652 = 289 + 89 + 611 = 133 + 667 + 226 = 54 - 43 + 846 = 385 + 54 + 546 = 145 + 716 + 655 = 841 - 285 - 115 = 936 - 303 - 136 = 171 - 116 + 629 = 857 + 549 - 767 = 189 - 59 + 611 = 405 + 262 + 238 = 43 + 186 + 757 =

15、 805 - 590 - 110 = 練習(xí)范圍：加法交換律和結(jié)合 律 題數(shù)：100  月 分  日 秒  姓名 : 成績 : 1000 - 279 - 521 = 164 + 374 + 336 = 537 - 257 + 363 = 20 + 66 + 734 = 200 + 195 - 180 = 232 + 173 - 222 = 657 - 47 - 43 = 4 + 685 + 16 = 922 - 168 - 332 = 561 - 57 - 471 = 727

16、 - 68 - 32 = 558 + 441 + 242 = 921 - 3 - 67 = 851 + 103 + 397 = 635 + 840 - 235 =  677 + 223 + 28 = 113 - 51 + 87 = 154 - 147 + 546 = 611 - 571 + 289 = 783 - 174 - 226 = 505 - 449 - 51 = 443 + 357 + 729 = 829 - 119 + 71 = 184 - 46 - 44 = 697 - 592 + 103 =

17、 597 - 106 + 103 = 678 - 75 + 222 = 437 - 165 + 163 = 517 + 11 + 39 = 690 - 79 - 521 =  883 - 68 - 22 = 572 + 351 - 552 = 130 - 5 - 120 = 562 - 102 + 338 = 708 - 113 + 192 = 71 + 506 + 194 = 693 - 9 + 207 = 522 - 171 - 129 = 312 + 188 + 500 = 914 - 306 - 294

18、 = 106 + 652 - 56 = 421 + 963 - 21 = 633 - 354 - 46 = 348 + 22 + 478 = 319 + 566 + 81 = 893 + 25 + 25 = 878 + 42 + 458 = 3 + 297 + 99 = 375 - 64 - 36 = 136 - 112 + 64 = 798 - 778 + 2 = 145 + 10 + 655 = 988 + 546 - 688 = 143 + 318 - 93 = 729 - 84 - 16 =

19、 130 + 26 + 470 = 161 - 159 + 239 = 67 + 533 + 768 = 139 + 661 + 681 = 900 - 271 - 429 = 791 + 50 + 10 = 346 + 773 - 266 = 478 - 340 + 22 = 798 - 336 + 2 = 243 + 319 + 81 = 6 + 54 + 575 = 828 + 299 - 748 = 158 + 542 + 795 = 497 + 419 - 197 = 145 + 355 + 283

20、 = 299 - 197 + 501 = 722 - 562 - 22 = 210 + 627 + 73 = 506 - 36 - 426 = 608 + 780 + 20 = 706 + 194 + 314 = 684 + 644 + 56 = 395 - 73 - 127 = 544 - 38 - 494 = 489 - 295 + 311 = 888 + 748 - 808 = 840 - 175 - 125 = 490 + 110 + 830 = 95 + 683 + 217 = 650 - 228

21、 - 50 = 657 + 170 + 530 = 578 - 319 + 22 = 835 - 179 - 521 = 424 - 73 - 124 = 758 - 257 + 42 = 136 + 364 + 196 = 5 + 95 + 45 = 716 - 139 - 561 = 992 + 155 + 745 = 284 + 216 + 200 = 671 - 388 + 29 = 122 + 678 + 83 = 8 + 392 + 47 = 624 - 352 - 224 = 710 - 3

22、99 - 110 = 練習(xí)范圍：加法交換律和結(jié)合 律 題數(shù)：100  月 分  日 秒  姓名 : 成績 : 362 + 646 - 332 = 108 - 55 + 192 = 272 + 515 + 285 = 62 + 147 + 238 = 234 + 15 + 15 = 866 - 125 - 466 = 718 - 28 - 172 = 397 + 303 + 17 = 599 + 301 + 384 = 117 + 275 + 225 = 139 + 37 +

23、763 = 521 + 79 + 767 = 304 + 296 + 97 = 215 + 182 + 285 = 472 - 180 + 28 =  997 + 685 + 215 = 774 + 579 + 221 = 959 - 395 - 259 = 207 + 493 + 238 = 950 + 728 + 72 = 377 - 281 - 77 = 181 + 319 + 519 = 507 + 393 + 146 = 974 - 143 - 557 = 230 + 95 + 205 = 57

24、 + 97 + 243 = 681 - 500 - 81 = 218 + 82 + 737 = 533 - 48 - 152 = 397 + 3 + 745 =  918 + 468 - 818 = 354 + 8 + 392 = 400 + 947 + 400 = 823 - 172 - 528 = 114 + 186 + 479 = 949 + 729 - 549 = 730 - 133 - 467 = 69 + 431 + 682 = 760 - 118 - 382 = 218 - 73 - 18 =

25、 171 - 4 - 76 = 670 - 34 - 470 = 496 + 104 + 970 = 518 + 15 + 82 = 594 - 383 + 306 = 787 - 185 - 387 = 879 + 496 - 479 = 663 - 627 + 37 = 57 + 33 + 962 = 150 + 344 + 56 = 89 + 811 + 809 = 53 + 145 + 17 = 760 + 229 + 271 = 551 - 10 - 461 = 168 + 250 + 132

26、= 376 + 63 - 306 = 491 + 177 + 9 = 505 - 86 + 295 = 27 + 113 + 473 = 168 - 44 - 56 = 177 + 323 + 781 = 865 - 426 + 35 = 379 - 75 - 299 = 819 + 381 + 219 = 644 - 225 - 375 = 320 + 147 + 253 = 576 - 84 + 224 = 299 + 101 + 543 = 216 + 436 + 484 = 60 + 0 + 510

27、 = 695 - 301 - 299 = 411 - 55 - 45 = 248 + 270 + 652 = 846 - 91 - 509 = 35 + 365 + 536 = 472 + 38 - 462 = 413 - 61 + 187 = 679 - 285 - 179 = 892 - 296 - 192 = 655 - 165 - 455 = 418 + 757 + 82 = 782 - 216 - 184 = 919 + 588 + 312 = 738 + 62 + 761 = 917 - 890

28、 - 10 = 304 + 148 + 52 = 719 - 223 - 177 = 637 - 377 + 163 = 341 + 182 - 141 = 140 - 51 - 49 = 44 + 643 + 46 = 628 - 163 - 228 = 567 - 236 - 64 = 229 - 220 + 271 = 168 + 259 + 232 = 400 + 349 - 390 = 554 + 420 + 246 = 672 + 128 + 578 = 439 + 474 + 461 = 9

29、17 - 317 - 583 = 練習(xí)范圍：加法交換律和結(jié)合 律 題數(shù)：100  月 分  日 秒  姓名 : 成績 : 511 - 482 + 289 = 252 + 248 + 472 = 312 + 88 + 960 = 620 - 356 - 144 = 11 + 937 + 489 = 680 + 584 + 316 = 265 + 335 + 941 = 460 - 250 + 440 = 685 - 24 - 595 = 474 + 268 + 132 = 94

30、0 + 352 - 910 = 749 - 472 - 28 = 659 + 399 + 1 = 366 + 919 + 534 = 960 + 297 + 503 =  5 + 695 + 559 = 330 + 250 + 570 = 185 + 841 - 95 = 835 - 586 - 214 = 981 + 365 + 35 = 991 + 200 + 300 = 570 + 412 + 188 = 584 + 931 - 554 = 835 - 39 - 661 = 894 - 809 + 6 =

31、 53 + 17 + 566 = 863 + 332 + 68 = 929 + 153 + 347 = 741 + 159 + 664 = 211 + 240 - 171 =  566 + 739 + 134 = 827 - 357 - 427 = 544 + 861 + 39 = 78 + 442 + 2 = 806 - 156 - 606 = 27 + 43 + 862 = 912 - 543 - 12 = 210 + 290 + 850 = 262 + 235 + 438 = 893 - 586 -

32、 214 = 692 - 113 - 187 = 358 + 542 + 356 = 12 + 856 + 18 = 449 + 921 - 429 = 100 + 40 + 50 = 179 + 597 + 321 = 927 - 224 - 527 = 251 + 459 - 51 = 213 + 340 + 560 = 307 + 493 + 841 = 100 + 400 + 293 = 770 + 786 - 670 = 421 - 179 - 221 = 586 + 250 - 506 =

33、 491 + 209 + 252 = 940 - 65 - 35 = 437 - 321 + 463 = 412 + 288 + 156 = 104 + 796 + 771 = 507 + 93 + 692 = 560 - 5 - 75 = 714 + 775 - 684 = 798 + 458 + 442 = 515 + 444 + 285 = 763 - 308 - 292 = 872 - 278 - 372 = 207 + 710 + 190 = 488 + 353 + 547 = 946 - 442 -

34、246 = 983 - 349 - 551 = 749 + 4 + 296 = 281 + 219 + 319 = 147 - 17 - 23 = 561 + 289 + 411 = 258 + 442 + 304 = 289 - 168 + 311 = 851 - 9 - 11 = 537 + 296 + 163 = 99 + 201 + 260 = 932 - 446 - 154 = 925 - 88 - 835 = 949 - 363 - 149 = 718 + 10 - 418 = 329 + 68

35、4 - 229 = 372 + 228 + 576 = 598 - 26 - 474 = 148 + 665 + 752 = 426 - 251 - 126 = 802 - 582 - 118 = 34 + 324 + 16 = 686 - 265 + 214 = 591 + 171 - 541 = 735 - 215 - 185 = 715 - 596 - 104 = 233 + 101 - 183 = 562 - 66 - 4 = 217 + 34 + 266 = 110 - 34 + 390 = 6

36、55 + 194 + 45 = 443 - 51 - 149 = 練習(xí)范圍：加法交換律和結(jié)合 律 題數(shù)：100  月 分  日 秒  姓名 : 成績 : 50 + 89 + 211 = 554 + 27 + 43 = 787 - 196 - 587 = 188 + 284 + 412 = 740 - 626 - 40 = 938 + 378 - 438 = 393 + 53 + 307 = 459 - 269 + 341 = 922 - 696 - 4 = 216 + 773

37、 + 284 = 766 - 199 - 366 = 664 + 951 - 164 = 319 + 481 + 563 = 629 + 853 - 429 = 442 + 58 + 373 =  401 + 408 + 499 = 60 + 40 + 33 = 664 + 136 + 487 = 234 + 531 + 369 = 501 + 857 - 421 = 128 + 939 + 172 = 845 + 358 - 795 = 347 + 153 + 71 = 567 + 271 + 629 =

38、 671 - 588 + 229 = 611 + 698 + 2 = 634 + 494 + 266 = 719 - 647 - 19 = 682 + 546 - 82 = 587 - 3 - 527 =  791 - 40 - 191 = 525 - 25 - 475 = 649 + 605 - 569 = 551 - 482 + 249 = 542 - 501 + 158 = 406 + 989 + 194 = 453 + 111 + 689 = 731 - 663 + 69 = 985 - 762 -

39、185 = 558 - 125 - 58 = 903 + 287 - 3 = 397 + 854 - 297 = 118 + 323 + 182 = 500 - 29 + 200 = 552 + 679 - 52 = 286 + 563 + 114 = 911 - 321 - 311 = 461 + 439 + 804 = 429 - 15 - 359 = 10 + 890 + 435 = 592 + 387 + 308 = 388 + 402 - 338 = 425 + 475 + 311 = 18

40、 + 225 + 382 = 559 + 241 + 276 = 479 + 405 - 379 = 838 + 56 - 138 = 243 - 86 - 114 = 526 - 32 - 38 = 627 - 114 + 73 = 834 + 12 + 68 = 628 - 233 - 128 = 759 - 603 + 141 = 398 - 33 + 102 = 75 + 932 + 825 = 785 + 549 + 251 = 143 - 91 + 457 = 4 + 696 + 183 = 3

41、40 + 53 + 347 = 827 - 10 - 427 = 626 - 129 - 371 = 390 + 210 + 141 = 703 - 58 - 203 = 111 + 389 + 378 = 199 + 277 + 323 = 507 - 485 + 293 = 283 - 130 + 117 = 68 + 232 + 923 = 983 + 286 - 883 = 499 + 201 + 183 = 476 - 287 - 76 = 727 + 36 + 464 = 832 - 106 - 43

42、2 = 412 + 655 - 342 = 477 - 476 + 323 = 4 + 740 + 296 = 737 - 7 - 337 = 431 + 702 - 411 = 987 - 18 - 82 = 319 + 168 - 229 = 172 + 51 + 528 = 994 - 747 - 53 = 958 - 200 - 200 = 150 + 450 + 56 = 36 + 528 + 864 = 179 - 177 + 721 = 726 + 269 + 531 = 606 - 293

43、 - 307 = 924 - 59 - 124 = 36 + 875 + 464 = 練習(xí)范圍：加法交換律和結(jié)合 律 題數(shù)：100  月 分  日 秒  姓名 : 成績 : 893 + 778 + 122 = 689 + 370 + 11 = 145 + 755 + 828 = 839 - 89 - 311 = 671 - 29 - 51 = 234 + 298 + 202 = 790 - 264 - 390 = 628 + 172 + 571 = 798 - 140 - 6

44、0 = 190 + 445 + 410 = 886 + 14 + 808 = 195 - 36 - 34 = 526 + 4 + 86 = 66 + 534 + 874 = 742 - 6 - 54 =  925 + 180 + 620 = 31 + 43 + 469 = 969 - 497 - 103 = 939 - 226 - 674 = 484 - 370 + 316 = 898 - 413 - 87 = 355 - 224 + 545 = 924 - 450 - 350 = 594 - 140 -

45、 160 = 592 + 182 - 552 = 366 - 106 + 234 = 424 + 889 + 376 = 618 - 520 + 182 = 60 - 3 - 47 = 324 + 561 - 284 =  85 + 382 + 215 = 834 + 139 + 761 = 475 - 13 - 425 = 217 + 13 + 37 = 700 + 566 + 34 = 653 + 455 - 453 = 44 + 506 + 856 = 164 - 60 + 636 = 839 + 350

46、 + 50 = 913 + 712 - 863 = 5 + 75 + 43 = 50 + 351 - 30 = 906 + 814 - 706 = 403 + 504 - 383 = 358 + 342 + 633 = 905 + 875 - 205 = 306 + 167 + 394 = 467 + 181 + 619 = 275 + 665 - 265 = 265 + 873 + 27 = 95 + 860 + 705 = 218 + 630 - 178 = 455 - 171 + 245 = 4

47、76 + 790 + 24 = 669 - 432 + 31 = 875 - 185 - 75 = 359 + 241 + 278 = 3 + 77 + 140 = 12 + 278 + 588 = 416 - 97 + 384 = 184 + 267 + 433 = 686 + 972 - 636 = 398 + 202 + 904 = 4 + 596 + 173 = 308 - 19 - 108 = 428 + 15 + 785 = 785 - 420 - 185 = 593 - 481 + 307 =

48、 291 - 39 + 509 = 325 + 175 + 822 = 34 + 61 + 666 = 871 - 430 - 370 = 68 - 12 - 18 = 642 + 158 + 222 = 496 + 204 + 29 = 891 - 805 + 9 = 512 + 238 + 162 = 713 - 13 - 693 = 806 - 56 - 44 = 561 + 32 - 501 = 335 + 326 - 235 = 319 - 179 - 21 = 508 + 414 + 292 =

49、 495 + 614 - 445 = 325 + 197 + 103 = 837 - 529 - 71 = 715 - 84 + 85 = 545 - 474 + 355 = 938 + 371 + 429 = 553 - 32 - 453 = 364 + 111 + 136 = 826 - 10 - 790 = 655 - 603 + 45 = 864 - 93 - 707 = 934 - 31 - 169 = 235 + 818 + 165 = 768 - 296 + 32 = 113 + 164 + 38

50、7 = 730 + 787 + 113 = 596 + 433 + 367 = 練習(xí)范圍：加法交換律和結(jié)合 律 題數(shù)：100  月 分  日 秒  姓名 : 成績 : 438 - 128 + 262 = 52 + 940 + 28 = 983 - 681 - 83 = 535 - 285 + 365 = 4 + 165 + 335 = 835 - 516 - 135 = 749 - 216 - 84 = 560 - 297 - 103 = 679 - 23 - 379 =

51、 715 - 7 - 705 = 872 - 498 - 72 = 97 + 227 + 173 = 750 - 555 - 145 = 204 + 792 - 104 = 343 + 312 + 88 =  509 + 291 + 334 = 652 - 38 - 592 = 136 + 364 + 223 = 756 - 522 - 56 = 975 - 71 - 775 = 991 - 11 - 191 = 652 + 290 + 610 = 842 - 78 - 142 = 671 - 210 - 1

52、90 = 665 - 66 + 35 = 945 - 767 - 45 = 575 - 515 + 225 = 360 + 40 + 99 = 462 + 238 + 401 = 484 + 316 + 634 =  186 + 250 + 350 = 812 + 547 + 353 = 30 + 304 + 196 = 700 - 27 + 200 = 476 - 93 + 24 = 150 - 80 + 750 = 427 - 145 + 173 = 473 - 399 + 127 = 115 - 1

53、0 + 385 = 138 - 55 + 162 = 943 - 600 - 200 = 873 - 77 - 673 = 410 + 90 + 134 = 801 - 95 - 101 = 192 + 8 + 961 = 885 - 238 - 462 = 138 + 981 + 162 = 934 - 31 - 834 = 97 + 19 + 71 = 559 - 106 - 194 = 942 - 167 - 642 = 78 + 13 + 12 = 129 + 674 + 471 = 558

54、- 300 - 158 = 189 + 211 + 875 = 632 + 421 + 168 = 417 + 657 + 383 = 756 - 501 - 56 = 461 + 543 - 451 = 895 + 15 - 855 = 25 + 463 + 237 = 65 - 15 + 5 = 505 - 17 - 483 = 805 + 782 - 605 = 3 + 729 + 797 = 578 - 62 - 138 = 146 + 819 + 81 = 214 + 925 - 204 = 17

55、 + 283 + 860 = 10 + 146 + 80 = 741 - 378 - 122 = 19 + 766 + 781 = 164 + 698 - 124 = 67 + 633 + 364 = 82 + 861 - 52 = 576 - 78 - 276 = 152 + 378 - 62 = 870 - 199 - 301 = 178 - 165 + 222 = 81 + 768 + 32 = 942 - 25 - 42 = 130 - 60 + 70 = 523 - 186 + 177 = 745

56、 + 651 + 249 = 789 - 205 - 89 = 489 - 40 - 160 = 367 - 128 + 433 = 382 - 194 + 118 = 127 + 118 + 382 = 723 + 234 - 323 = 727 - 465 + 73 = 668 + 423 + 177 = 981 - 23 - 911 = 33 + 667 + 537 = 190 + 240 - 160 = 855 + 662 + 238 = 337 + 997 + 263 = 981 + 452 - 28

57、1 = 213 + 587 + 96 = 884 - 49 - 484 = 練習(xí)范圍：加法交換律和結(jié)合 律 題數(shù)：100  月 分  日 秒  姓名 : 成績 : 943 + 192 + 8 = 703 - 73 - 623 = 527 - 177 - 323 = 268 + 190 + 432 = 881 - 38 - 281 = 243 - 156 + 457 = 574 - 360 + 226 = 922 - 191 - 222 = 384 + 917 + 516 =

58、 930 + 63 + 437 = 715 - 274 - 215 = 1 + 19 + 472 = 113 - 20 + 587 = 16 + 383 + 484 = 289 - 4 - 199 =  470 + 930 - 440 = 507 + 981 + 393 = 749 + 974 - 549 = 651 - 514 + 49 = 362 - 181 - 162 = 997 - 439 - 161 = 626 + 55 - 616 = 689 - 72 + 111 = 667 + 3 + 397

59、 = 94 + 291 - 34 = 530 + 550 - 130 = 77 + 579 + 723 = 748 + 647 + 153 = 471 + 510 + 90 = 205 - 50 + 95 =  165 + 777 + 335 = 364 + 156 + 436 = 767 + 775 - 727 = 829 - 74 - 726 = 569 - 329 + 31 = 100 + 200 + 871 = 606 + 294 + 337 = 165 - 29 - 31 = 768 + 731

60、 - 738 = 227 + 442 + 358 = 276 + 145 - 206 = 485 - 104 - 196 = 728 - 287 - 128 = 595 + 212 - 525 = 243 + 157 + 102 = 765 + 692 + 35 = 1 + 402 + 99 = 37 + 43 + 283 = 946 + 94 - 746 = 189 - 94 + 411 = 48 + 847 + 53 = 623 - 380 + 277 = 852 + 785 - 52 = 537

61、 - 121 - 379 = 818 - 784 - 16 = 928 - 18 - 52 = 728 + 802 - 228 = 246 + 192 + 608 = 948 + 405 + 195 = 262 + 773 - 162 = 535 + 310 - 35 = 299 + 380 + 401 = 643 + 192 + 608 = 965 + 672 - 565 = 203 + 83 + 517 = 695 - 623 + 5 = 746 - 270 + 154 = 511 - 2 - 411 =

62、 918 - 113 - 787 = 825 - 744 + 75 = 684 - 8 - 32 = 777 + 153 + 123 = 749 - 564 - 136 = 575 + 921 - 475 = 730 - 412 - 88 = 124 + 748 + 176 = 382 - 39 - 292 = 971 - 13 - 387 = 628 + 336 - 588 = 34 + 159 + 36 = 47 + 853 + 877 = 58 + 32 + 711 = 688 + 335 - 608 =

63、 747 + 630 - 347 = 749 + 52 + 51 = 722 + 126 + 674 = 578 + 240 - 528 = 126 + 191 + 309 = 793 - 347 + 7 = 804 - 14 - 754 = 683 + 247 + 217 = 94 + 506 + 327 = 664 + 629 - 584 = 451 + 575 + 225 = 787 - 195 + 13 = 954 - 469 - 454 = 655 + 45 + 229 = 798 + 508

64、+ 292 = 72 + 497 + 428 = 757 - 46 - 667 = 練習(xí)范圍：加法交換律和結(jié)合 律 題數(shù)：100  月 分  日 秒  姓名 : 成績 : 270 + 11 + 89 = 692 + 588 + 108 = 11 + 289 + 332 = 264 - 82 - 174 = 267 + 433 + 362 = 682 - 70 - 20 = 626 - 357 + 74 = 690 - 201 - 199 = 666 + 234 + 618 =

65、 888 - 598 - 202 = 774 - 331 + 126 = 829 - 122 + 71 = 465 - 115 + 35 = 573 + 926 - 543 = 560 - 260 + 40 =  469 - 190 - 169 = 6 + 932 + 44 = 57 + 637 + 543 = 897 - 15 - 85 = 69 + 631 + 967 = 133 + 667 + 928 = 741 - 321 - 241 = 752 + 233 - 652 = 225 - 36 -

66、24 = 964 + 578 + 22 = 300 + 204 + 96 = 706 - 596 - 106 = 718 + 65 + 435 = 956 + 388 + 212 = 560 + 110 + 190 =  320 + 360 + 440 = 983 - 116 - 683 = 343 + 899 + 57 = 303 - 63 + 497 = 92 + 15 + 15 = 383 + 705 - 323 = 324 + 212 - 304 = 210 + 933 + 90 = 540 - 486 + 160 = 801 - 112 - 688 = 580 + 454 + 446 = 490 - 485 + 10 = 10 + 790 + 176 = 794 - 26 - 714 = 498 - 80 - 20 = 670 - 23 - 580 = 827 + 926 - 427 = 909 - 315 - 509 =