
0.5X0.8X0.2X1.25X0.4X2.5用简便方法怎么做 还有0.75X4.3+2.5X0
0.5X0.8X0.2X1.25X0.4X2.5用简便方法怎么做还有0.75X4.3+2.5X0.43详细程序谢谢...
0.5X0.8X0.2X1.25X0.4X2.5用简便方法怎么做
还有0.75X4.3+2.5X0.43详细程序谢谢 展开
还有0.75X4.3+2.5X0.43详细程序谢谢 展开
展开全部
0.5X0.8X0.2X1.25X0.4X2.5
=(0.5X0.2)X(0.8X1.25)X(0.4X2.5)
=0.1X1X1
=0.1
0.75X4.3+2.5X0.43
=0.75×4.3+0.25×4.3
=(0.75+0.25)×4.3
=1×4.3
=4.3
望采纳,谢谢
=(0.5X0.2)X(0.8X1.25)X(0.4X2.5)
=0.1X1X1
=0.1
0.75X4.3+2.5X0.43
=0.75×4.3+0.25×4.3
=(0.75+0.25)×4.3
=1×4.3
=4.3
望采纳,谢谢
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