240x54+540x77怎么用简便计算?
3个回答
展开全部
240x54+540x77
=24x540+540x77
=540x(24+77)
=540x101
=540x(100+1)
=540x100+540ⅹ1
=54000+540
=54540。
=24x540+540x77
=540x(24+77)
=540x101
=540x(100+1)
=540x100+540ⅹ1
=54000+540
=54540。
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展开全部
240x54+540x77的简便计算过程:
240x54+540x77
=24x10x54+540x77
=24x540+540x77
=540x(24+77)
=540x(100+1)
=54000+540
=54540
240x54+540x77
=24x10x54+540x77
=24x540+540x77
=540x(24+77)
=540x(100+1)
=54000+540
=54540
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展开全部
240*54+540*77
=24*540+77*540
=540*(24+77)
=540*101
=54000+540
=54540
=24*540+77*540
=540*(24+77)
=540*101
=54000+540
=54540
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