4.3乘6.2加5.7乘0.62,怎么简便?

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4.3乘6.2加5.7乘0.62,怎么简便?4.3乘6.2加5.7乘0.62,怎么简便?4.3乘6.2加5.7乘0.62,怎么简便?4.3*6.2+5.7*0.62=43*0.62+5.7*0.62=

4.3乘6.2加5.7乘0.62,怎么简便?
4.3乘6.2加5.7乘0.62,怎么简便?

4.3乘6.2加5.7乘0.62,怎么简便?
4.3*6.2+5.7*0.62
=43*0.62+5.7*0.62
=(43+5.7)*0.62
=48.7*0.62
=30.194