(2/3-4/9+5/27)27+1又1/178+1/17*8用简便方法计算

题目详情

(2/3-4/9+5/27)*27+1又1/17*8+1/17*8
用简便方法计算

▼优质解答

答案和解析

(2/3-4/9+5/27)*27+1又1/17*8+1/17*8
=2/3*27-4/9*27+5/27*27+1*8+1/17*8+1/17*8
=18-12+5+8+16/17
=19又16/17

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(2/3-4/9+5/27)*27+1又1/17*8+1/17*8用简便方法计算