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3位数加减法计算题 100道 用时: 错误:645 490 = 999 669 = 360 253 =350 600 = 577 348 = 546 213 =290 679 = 247 622 = 437 475 =319 338 = 771 599 = 946 737 =687 213 = 527 440 = 741 339 =555 306 = 122 314 = 158 179 =384 204 = 673 236 = 329 224 =646 291 = 760 111 = 866 658 =606 134 = 312 156 = 844 281 =677 327 = 671 532 = 885 733 =879 634 = 834 395 = 920 155 =908 180 = 156 474 = 737 277 =894 316 = 261 121 = 171 156 =372 228 = 839 237 = 976 719 =264 726 = 219 486 = 764 202 =985 281 = 600 298 = 885 430 =475 189 = 772 400 = 213 300 =908 293 = 309 452 = 904 202 =224 474 = 369 373 = 933 760 =748 450 = 902 497 = 300 565 =379 259 = 604 429 = 329 224 =754 315 = 543 330 = 315 247 =658 266 = 589 323 = 395 377 =312 156 = 664 350 = 338 110 =959 714 = 700 190 = 533 236 =596 248 = 270 268 = 200 714 =225 282 = 619 110 = 402 122 =429 196 = 667 441 = 389 145 =441 171 = 498 338 = 325 133 =831 304 = 210 600 = 542 122 =235 647 = 854 167 = 669 440 =735 543 = 971 304 = 247 119 =610 224 = 812 532 = 691 284 =862 386 =
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