
如何简便计算
展开全部
=3.6÷(10+0.1)
=3.6÷10+3.6÷0.1
=0.36+36
=36.36
=3.6÷10+3.6÷0.1
=0.36+36
=36.36
追答
=0.138÷0.12×6.4
=1.15×6.4
=7.36
=(8×0.2)×3.8×1.25
=8×1.25×0.2×3.8
=10×0.2×3.8
=2×3.8
=7.6
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=0.138÷0.12×6.4
=1.15×6.4
=7.36
=(8×0.2)×3.8×1.25
=8×1.25×0.2×3.8
=10×0.2×3.8
=2×3.8
=7.6
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