8/3(1/3-21/816/8)怎样简算

题目详情

8/3*(1/3-21/8*16/8)怎样简算

▼优质解答

答案和解析

8/3*(1/3-21/8*2)
=8/3*(1/3-21/4)
=8/3*1/3-8/3*21/4
=8/9-56/4
=32/36-504/36
=```````````

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