四年级下册口算题 (加法交换律和结合律) 1000题

615 + 86 + 185 =81 - 23 + 319 =621 - 150 + 79 =228 - 211 + 172 =966 - 361 - 539 =656 - 215 - 285 =235 + 253 + 265 =357 - 274 - 26 =829 - 104 - 196 =379 + 15 + 885 =712 - 686 + 88 =535 - 428 + 365 =680 - 65 - 335 =89 + 432 - 69 =189 - 36 - 119 =262 + 187 + 213 =656 + 244 + 376 =282 - 134 + 418 =919 + 194 + 206 =811 + 276 + 124 =402 - 369 - 2 =956 + 627 - 656 =554 - 409 + 346 =419 + 381 + 249 =409 + 113 + 391 =472 + 688 + 228 =662 + 462 - 462 =939 - 241 - 559 =283 + 317 + 10 =408 - 170 + 92 =5 + 348 + 95 =519 + 82 + 618 =752 - 552 + 148 =576 - 143 - 376 =27 + 352 + 23 =782 - 51 - 149 =195 + 665 - 145 =379 + 161 - 309 =745 + 681 + 55 =139 + 661 + 380 =784 - 64 - 84 =969 - 272 - 369 =972 - 220 - 672 =楼宇智能化论文
951 - 490 - 10 =
28 + 281 + 2 =
镀镍设备练习范围:
加法交换律和结合律  题数:100
月  日姓名:  分
成绩
:
321 + 933 + 279 =543 - 175 - 343 =286 + 173 - 206 = 226 - 115 + 474 =614 + 33 + 67 =581 + 253 + 47 = 449 + 251 + 788 =324 + 276 + 519 =796 + 333 - 196 = 594 - 406 + 6 =784 - 653 - 47 =676 + 224 + 276 = 958 - 106 - 258 =25 + 963 + 5 =266 + 610 + 434 = 193 + 607 + 958 =591 - 372 + 209 =722 - 283 + 78 = 535 + 265 + 275 =597 + 303 + 778 =409 + 876 + 291 = 669 - 177 - 223 =953 - 383 - 253 =338 + 206 + 94 = 968 - 117 - 583 =701 - 698 - 1 =785 + 115 + 144 = 558 - 56 + 42 =98 + 52 + 202 =40 + 361 + 50 = 890 - 127 + 10 =525 - 501 + 75 =11 + 834 + 689 = 652 - 54 - 592 =649 + 305 - 579 =89 + 558 + 611 = 823 - 42 - 758 =75 + 305 + 825 =105 + 881 + 595 = 772 + 686 - 572 =809 - 290 - 309 =237 + 212 + 588 = 105 + 295 + 220 =804 - 647 - 104 =376 - 66 + 124 = 389 + 472 + 411 =944 - 385 - 15 =79 + 660 + 140 = 729 + 75 + 71 =514 - 46 + 86 =574 - 411 - 89 = 325 + 826 - 225 =873 + 380 + 420 =168 + 82 + 18 = 692 + 108 + 286 =
120 + 780 + 979 =534 + 502 + 266 =603 - 401 - 103 =592 + 308 + 44 =456 + 6 + 894 =819 - 157 - 243 =129 + 571 + 126 =587 + 115 - 187 =362 - 63 + 138 =992 + 231 + 69 =516 - 234 - 16 =21 + 249 - 1 =101 + 521 + 379 =149 + 414 + 551 =585 - 319 + 115 =883 - 716 - 84 =204 + 674 + 226 =696 + 954 + 204 =623 - 328 - 172 =287 + 304 + 513 =333 + 521 - 253 =858 + 349 - 838 =389 + 616 + 284 =365 - 29 - 305 =651 - 8 + 149 =874 - 16 - 34 =920 + 120 - 880 =661 - 2 + 239 =391 + 109 + 20 =565 - 291 - 165 =990 + 223 + 377 =709 + 207 + 593 =547 + 153 + 851 =697 + 5 + 5 =234 - 208 + 566 =210 + 771 + 29 =608 - 274 - 126 =107 - 36 - 54 =593 - 56 - 44 =942 - 345 - 342 =278 + 122 + 649 =337 - 196 - 104 =493 - 366 + 407 =
96 + 704 + 111 =
910 + 814 - 820 =
练习范围:加法交换律和结合律  题数:100
日姓名:  分
成绩
:
458 + 235 + 165 =627 - 16 - 567 =961 - 169 - 61 = 264 - 158 + 336 =152 + 526 + 148 =682 + 45 + 855 = 575 + 9 + 11 =526 + 252 + 248 =254 - 164 + 546 = 644 + 899 - 554 =347 + 553 + 555 =456 + 244 + 935 = 282 + 223 + 418 =243 - 164 + 657 =248 + 630 + 652 = 936 + 386 - 846 =398 + 648 - 98 =289 + 89 + 611 = 115 + 172 + 185 =981 - 76 - 381 =133 + 667 + 226 = 802 - 408 - 292 =936 - 93 - 707 =54 - 43 + 846 = 963 + 37 + 53 =918 - 428 - 272 =385 + 54 + 546 = 795 - 770 + 5 =701 - 472 - 1 =145 + 716 + 655 = 712 + 2 - 652 =776 - 205 - 195 =841 - 285 - 115 = 808 - 401 - 108 =215 + 271 - 115 =936 - 303 - 136 = 945 - 89 - 445 =94 + 159 + 241 =171 - 116 + 629 = 79 + 821 + 483 =866 - 311 - 189 =857 + 549 - 767 = 286 + 214 + 505 =126 + 455 + 474 =189 - 59 + 611 = 335 - 15 + 65 =563 + 137 + 838 =405 + 262 + 238 = 213 + 287 + 257 =526 + 802 + 74 =43 + 186 + 757 = 145 + 758 - 75 =667 + 33 + 309 =805 - 590 - 110 = 326 + 474 + 301 =
研发支出1000 - 279 - 521 =677 + 223 + 28 =883 - 68 - 22 =164 + 374 + 336 =113 - 51 + 87 =572 + 351 - 552 =537 - 257 + 363 =154 - 147 + 546 =130 - 5 - 120 =20 + 66 + 734 =611 - 571 + 289 =562 - 102 + 338 =200 + 195 - 180 =783 - 174 - 226 =708 - 113 + 192 =232 + 173 - 222 =505 - 449 - 51 =71 + 506 + 194 =657 - 47 - 43 =443 + 357 + 729 =693 - 9 + 207 =4 + 685 + 16 =829 - 119 + 71 =522 - 171 - 129 =922 - 168 - 332 =184 - 46 - 44 =312 + 188 + 500 =561 - 57 - 471 =697 - 592 + 103 =914 - 306 - 294 =727 - 68 - 32 =597 - 106 + 103 =106 + 652 - 56 =558 + 441 + 242 =678 - 75 + 222 =421 + 963 - 21 =921 - 3 - 67 =437 - 165 + 163 =633 - 354 - 46 =851 + 103 + 397 =517 + 11 + 39 =348 + 22 + 478 =635 + 840 - 235 =
690 - 79 - 521 =
319 + 566 + 81 =平望实验小学
练习范围:加法交换律和结合律  题数:100
打印机共享器
日姓名:  分
城市生活垃圾处理及污染防治技术政策
成绩
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