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第1个回答 2012-12-10
5/8×[(3/4-1/2)÷5/12)]=5/8×(1/4÷5/12)
=5/8×3/5=3/8
=5/8×3/5=3/8
第2个回答 2012-12-10
8分之5乘中括号（4分之3-2分之1）除以12分之5中括号
=5/8×(1/4÷5/12)
=5/8×1/4×12/5
=5/8×3/5
=3/8
不懂可追问，有帮助请采纳，谢谢！来自：求助得到的回答
=5/8×(1/4÷5/12)
=5/8×1/4×12/5
=5/8×3/5
=3/8
不懂可追问，有帮助请采纳，谢谢！来自：求助得到的回答
第2个回答 2012-12-10
8分之5乘中括号（4分之3-2分之1）除以12分之5中括号
=5/8*[(3/4-1/2)/5/12]
=5/8*(1/4*12/5)
=5/8*3/5
=3/8
=5/8*[(3/4-1/2)/5/12]
=5/8*(1/4*12/5)
=5/8*3/5
=3/8
