Question

2.01×3.5的脱式计算。

2.01×3.5的脱式计算。

Answer 1

2.01×3.5的脱式计算。
解：采用分配律，
原式=2.01x3.5
=（2+0.01）x3.5
=2x3.5+0.01x3.5
=7+0.035
=7.035

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Answer 2

2.01×3.5
=（2+0.01）×3.5
=2×3.5+0.01×3.5
=7+0.035
=7.035

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