发布时间 : 星期一 文章高年级数学快速计算练习(73)更新完毕开始阅读c058f8267375a417866f8f7c
541 + 1246 = 1223 + 816 = 1771 - 990 = 298 + 2092 = 253 + 2322 = 1714 + 2836 = 2490 + 797 = 2665 - 1859 = 2581 - 2082 = 1437 + 671 = 1864 - 167 = 2056 + 599 = 1332 + 1862 = 494 - 42 = 2645 + 1238 = 1620 - 668 = 1817 + 2611 = 620 + 414 = 2109 - 1307 = 1807 + 453 = 2572 - 2501 = 2536 - 1457 = 1588 + 103 = 2424 - 1884 = 1933 + 2080 = 1001 + 1617 = 2844 - 808 = 416 + 766 = 1073 + 2318 = 1282 - 1273 = 2741 - 1758 = 2312 - 258 = 1972 - 588 = 469 + 803 = 299 + 583 = 2458 - 1978 = 1294 + 1717 = 1292 - 395 = 2108 + 913 = 2293 - 510 = 1228 - 1206 = 1692 - 184 = 2271 + 2633 = 2319 - 2115 =
1375 + 850 = 2828 - 916 = 789 - 256 = 2852 + 1969 = 378 + 247 = 2163 - 407 = 2746 + 2342 = 59 + 1495 = 1095 + 2514 = 2506 - 2399 = 1252 - 1074 = 1220 - 480 = 2146 + 1447 = 2499 - 798 = 1926 - 841 = 2657 - 10 = 993 + 691 = 459 + 80 = 974 + 301 = 655 + 68 = 2853 - 827 = 178 + 2735 = 2894 + 24 = 1960 + 2119 = 2946 - 2377 = 36 + 566 = 671 + 1713 = 527 + 1960 = 1978 + 1201 = 2784 + 782 = 1988 + 502 = 2715 - 1193 = 1706 + 2695 = 2231 + 1615 = 2140 + 2547 = 768 + 2855 =