
求6.5✖️0.25➕0.75的简便计算
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2017-09-12 · 知道合伙人教育行家
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6.5✖️0.25➕0.75的简便计算
=6.5x0.25+0.25x3
=(6.5+3)x0.25
=(10-0.5)x0.25
=10x0.25-0.5x0.25
=2.5-0.125
=2.375
=6.5x0.25+0.25x3
=(6.5+3)x0.25
=(10-0.5)x0.25
=10x0.25-0.5x0.25
=2.5-0.125
=2.375
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