1又4/5+3又11/15+5又3/10=? 脱式计算 2又1/4*9.6/9又3/5=?脱式计算
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1又4/5+3又11/15+5又3/10
=9/5+56/15+53/10
=18/10+56/15+53/10
=56/15+71/10
=112/30+213/30
=345/30
=23/2
2又1/4*9.6/9又3/5
=2又1/4x9.6÷9.6
=2又1/4
=9/5+56/15+53/10
=18/10+56/15+53/10
=56/15+71/10
=112/30+213/30
=345/30
=23/2
2又1/4*9.6/9又3/5
=2又1/4x9.6÷9.6
=2又1/4
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1又4/5+3又11/15+5又3/10
=9/5+56/15+53/10
=108/60+224/60+318/60
=650/60
=65/6
2又1/4*9.6/9又3/5
=9/4*48/5/48/5
=9/4
=9/5+56/15+53/10
=108/60+224/60+318/60
=650/60
=65/6
2又1/4*9.6/9又3/5
=9/4*48/5/48/5
=9/4
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