计算,12+5/6x(5/4-3/1)

题目详情

计算,12+5/6x(5/4-3/1)

▼优质解答

答案和解析

12+5/6x(5/4-3/1)
=12+5/6x(5/4-12/4)
=12+5/6x(-7/4)
=12-35/24
=288/24-35/24
=233/24

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