7.18乘15加7.18乘4加7.18的简便计算

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7.18乘15加7.18乘4加7.18的简便计算

7.18乘15加7.18乘4加7.18的简便计算
7.18乘15加7.18乘4加7.18的简便计算

7.18乘15加7.18乘4加7.18的简便计算
7.18乘15加7.18乘4加7.18
=7.18x(15+4+1)
=7.18x20
=143.6

原式=7.18x(15+4+1)=7.18x20=143.6

=7.18x(15+4+1)
=7.18x20
=143.6

  7.18X15+7.18X4+7.18
=7.18X(15+4+1)
=7.18X20
=143.6