3×0.27×0.2怎么用简便运算?
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这个按顺序算比较简便
3×0.27×0.2
=0.81×0.2
=0.162
3×0.27×0.2
=0.81×0.2
=0.162
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你好,简算如下:
3×0.27×0.2
=3×0.2×0.2+3×0.07×0.2
=0.12+0.042
=0.162
希望能帮到你。
3×0.27×0.2
=3×0.2×0.2+3×0.07×0.2
=0.12+0.042
=0.162
希望能帮到你。
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3×0.27×0.2
=3×0.2×0.27
=0.6×0.27
=0.162
=3×0.2×0.27
=0.6×0.27
=0.162
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根据你的问题,调换一下顺序就好了。
3×0.27×0.2
=3×0.2×0.27
=0.6×0.27
=0.162
3×0.27×0.2
=3×0.2×0.27
=0.6×0.27
=0.162
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3×0.27×0.2
=3×0.2×0.27
=0.6×0.27
=0.162
或原式=3×0.2×0.27
=0.6×0.27
=0.6×(0.3-0.03)
=0.18-0.018
=0.162
=3×0.2×0.27
=0.6×0.27
=0.162
或原式=3×0.2×0.27
=0.6×0.27
=0.6×(0.3-0.03)
=0.18-0.018
=0.162
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