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六年级数学简便算法复习.doc

发布:2020-02-26约1.02千字共2页下载文档
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六年级数学简便算法复习 (15+25)×2?? 3700-2185-815? ? 12×25???? 28×25?? 125×(8+4)?? 32+144+68+56????? 2847-14×4×25×1????? 60×(15+500)???435+1999 8×(125+9)???46×18+54×18?? (400+16)×5??? 170×4+80×4???? 103×56?? 13×68+13×32?? (2+4)×15?? 5×(20+6)? 8×23+8×27?? 9×6+4×9? 99×14???? 75×99+75?? 102×36?? 49×80+80?? 430-216-184?? 67×9+33×9?? (13×8)×125? 20×(17×5)?? 14×20×5???? 276×38+276×62????? 102×26????????? 25×(40×32) (5×7)×80???? 8×14×125×6?? 16×25×5×4????? 25×13×4??? ? 2843-598?????? 4×8×25×125??????? 259+468+741+532????????? 36×25?? 12×15+12×35???????? 31×128-28×31????? (25+250)×4???? (125×125)×8?? ? ? ?? (712 - 15 )×60???????????????????????? 47 ×613 +37 ×613??? 2538 ×8?????????????????????????????? 227 ×(15×2728 )×215 ? 710 ×101- 710???????????????????? 89 ×89 ÷89 ×89?????????????????? 35 × 99 + 35???? ? ( 47 + 89 )×225?????????????? 1521 ×34 + 1021 ×34 - 34??????????????????? 345 ×25?? ? ? 36×3435?????????????????????????????? ( 56 - 59 )×185?
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