5/979又16/17+501/9+1/9*5/17要求用简便运算,

题目详情

5/9*79又16/17+50*1/9+1/9*5/17
要求用简便运算,

▼优质解答

答案和解析

5/9*79又16/17+50*1/9+1/9*5/17
=5/9*(79+16/17)+50*1/9+5/9*1/17
=5/9*(79+16/17+1/17)+50*1/9
=5/9*80+50*1/9
=50*8/9+50*1/9
=50

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5/9*79又16/17+50*1/9+1/9*5/17要求用简便运算,