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1、3位数加减法计算题 100道 用时： 错误：252 242 = 908 299 = 136 709 =969 606 = 857 257 = 654 471 =676 286 = 931 162 = 360 493 =710 106 = 276 114 = 389 151 =537 333 = 293 391 = 687 460 =373 470 = 698 130 = 903 753 =619 319 = 700 196 = 767 299 =790 421 = 971 311 = 505 184 =325 140 = 904 209 = 460 345 =466 140 = 231 320
2、 = 696 106 =902 504 = 120 641 = 778 445 =108 151 = 456 254 = 356 628 =921 276 = 369 379 = 287 595 =165 367 = 683 129 = 300 263 =402 128 = 322 107 = 248 151 =523 356 = 379 274 = 664 311 =414 397 = 127 823 = 471 365 =597 254 = 722 573 = 546 219 =607 145 = 162 276 = 533 243 =184 139 = 837 106 = 994 739
3、 =225 288 = 831 311 = 529 152 =140 533 = 460 345 = 469 231 =979 493 = 600 345 = 764 208 =731 459 = 671 538 = 778 644 =383 356 = 312 163 = 683 129 =777 185 = 664 113 = 392 242 =447 415 = 523 356 = 994 174 =200 721 = 841 197 = 573 326 =687 220 = 677 334 = 952 539 =273 619 = 229 379 = 778 247 =254 667 = 673 243 = 821 425 =235 174 = 998 265 = 481 234 =514 470 = 681 424 = 652 336 =950 834 =
