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2017-09-11 · 知道合伙人教育行家
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展开全部
6.25乘以4.5加0.45乘以37.5用简算
=6.25x4.5+4.5x3.75
=4.5x(6.25+3.75)
=4.5x10
=45
=6.25x4.5+4.5x3.75
=4.5x(6.25+3.75)
=4.5x10
=45
展开全部
6.25×4.5+0.45×37.5
=6.25×4.5+4.5×3.75
=(6.25+3.75)×4.5
=10×4.5
=45
=6.25×4.5+4.5×3.75
=(6.25+3.75)×4.5
=10×4.5
=45
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展开全部
6.25×4.5+0.45×37.5
=62.5×0.45+37.5×0.45
=(62.5+37.5)×0.45
=100×0.45
=45
=62.5×0.45+37.5×0.45
=(62.5+37.5)×0.45
=100×0.45
=45
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