小学数学简便计算.docx

小学数学简便计算

4.56×0.4×2.5 12.5×2.7×0.8 12.5×32×0.25
2.5×32 12.5×56 25×0.36
0.25×10.4 10.1×2.7 99×0.35
3.7×1.8－2.7×1.8 1.08×9＋1.08 101×37－37
8×（125+7） 8×（125×7） 12.5×88
48×0.56＋44×0.48 0.279×343＋0.657×279 9.16×1.53－0.053×91.6
5×1.03×0.2 32×1.25 0.45×99
53×10.1 4.2×6.51＋3.49×4.2 25×7.3×0.4
2.4＋1.6×3 16.5＋29.8＋3.5 2.5×44
2.6×3.9＋6.1×2.6 35.6×9－5.6×9 99×5.5＋5.5
7.8×101－7.8 52×7.6＋47×7.6＋7.6 134×56－134＋45×134
9.99×9.99＋1999 704×2.5 256－14.7－5.3
2.8×4×2.5 12.5×3.2×2.5 9×7.2×12.5
102×3.5 15.8+26.2+13.8 3.75+2.19+3.81+2.25
1.2×2.5 75×2.4 25×3.6 1.25×4.8
13.8×2.5×4 (1.3×12.5)×(3×8)
2.5×3.2×1.25 8.8×1.25 102×7.6
1.78×101－1.78 8.4×3.6+6.4×8.4 7.5×99+2×7.5