脱式计算,能简便的要简便:5/8÷[77/12-(41/12+33/16)]

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脱式计算,能简便的要简便:5/8÷[77/12-(41/12+33/16)]

脱式计算,能简便的要简便:5/8÷[77/12-(41/12+33/16)]
脱式计算,能简便的要简便:5/8÷[77/12-(41/12+33/16)]

脱式计算,能简便的要简便:5/8÷[77/12-(41/12+33/16)]
5/8÷[77/12-(41/12+33/16)]
=5/8÷【77/12-41/12-33/16】
=5/8÷【3-33/16】
=5/8÷【(48-33)/16】
=(5/8)*(16/15)
=2/3

5/8÷[77/12-(41/12+33/16)]
=5/8/[77/12-41/12-33/16]
=5/8/[36/12-33/16]
=5/8/[3-33/16]
=5/8/[15/16]
=5/8*[16/15]
=2/3