5.23乘7分之4加5.23除以2又3分之1怎么算 - 知识问答

5.23乘7分之4加5.23除以2又3分之1怎么算 8.53除以2又3分之2加11.47乘8分之3怎么算.

4个回答

=5.23x4/7+5.23÷7/3
=5.23x4/7+5.23x3/7
=5.23x（4/7+3/7)
=5.23x1
=5.23
=8.53÷8/3+11.47x3/8
=8.53x3/8+11.47x3/8
=(8.53+11.47)x3/8
=20x3/8
=15/2
=7.5

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