
3又3/4×73.5-3.75×57.3+16.2×6又1/4=要简算
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3又3/4×73.5-3.75×57.3+16.2×6又1/4
=3.75X(73.5-57.3)+16.2x6又1/4
=3.75X16.2+16.2x6又1/4
=16.2x(3.75+6又1/4)
=16.2X10
=162
=3.75X(73.5-57.3)+16.2x6又1/4
=3.75X16.2+16.2x6又1/4
=16.2x(3.75+6又1/4)
=16.2X10
=162
追问
验算了吗?对的?
追答
对
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