简便计算。0.6x0.36+0.64
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0.6x0.36+0.64=0.6×0.4×0.9+0.4×1.6=0.4×(0.54+1.6)=0.4×2.14=0.856
咨询记录 · 回答于2022-09-27
简便计算。0.6x0.36+0.64
简便计算。0.6x0.36+0.64
简便计算。0.6x0.36+0.64
0.6x0.36+0.64=0.6×0.4×0.9+0.4×1.6=0.4×(0.54+1.6)=0.4×2.14=0.856