0.25乘3.2乘0.125的简便计算
3.2×0.25×0.125(简便计算) -
=0.4×0.25×8×0.125 =0.1×1 =0.1
0.25×3.2×0.125＝0.25×4×0.8×0.125＝﹙0.25×4﹚×﹙0.8×0.125﹚＝1×0.1＝0.1
=0.4×0.25×8×0.125 =0.1×1 =0.1
0.25×3.2×0.125＝0.25×4×0.8×0.125＝﹙0.25×4﹚×﹙0.8×0.125﹚＝1×0.1＝0.1
＝(4×0.25)×(0.8×0.125)＝1×0.1 ＝0.1
3.2×0.25×0.125 =（0.4×0.25）×（8×0.125）0.1×1 =0.1
0.25×3.2×0.125(简便形式) -
0.25×3.2×0.125 =0.25×4×0.8×0.125 =1×0.1 =0.1 手打望采纳，谢谢！
0.125X3.2X0.25 =(0.125x8)x(0.4x0.25)=1x0.1 =0.1
0.25×320×0.125怎么简便方法? -
0.25x320x0.125 ＝0.25x4x（80x0.125）＝1x10 ＝10
运用乘法交换律和结合律，可以使这道乘法算式计算简便。0.125×3.2×0.25 =0.125×8×0.4×0.25 =0.125×8×（0.4×0.25）1×0.1 =0.1
0.125x3.2x25的简便计算 -
0.12580.425 =（0.1258）（0.425）110 =10
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