早教吧作业答案频道 -->数学-->
27/5-[(-2+17/5)-(46/15-18/5)]由于是分数形式的打不出来所以看着有点别扭
题目详情
27/5-[(-2+17/5)-(46/15-18/5)]由于是分数形式的 打不出来 所以看着有点别扭
▼优质解答
答案和解析
27/5-[(-2+17/5)-(46/15-18/5)]
=27/5-[(17/5-10/5)-(46/15-54/15)]
=27/5-[7/5-(-8/15)]
=27/5-(7/5+8/15)
=27/5-7/5-8/15
=4-8/15
=52/15
=3又7/15
希望对您有所帮助
=27/5-[(17/5-10/5)-(46/15-54/15)]
=27/5-[7/5-(-8/15)]
=27/5-(7/5+8/15)
=27/5-7/5-8/15
=4-8/15
=52/15
=3又7/15
希望对您有所帮助
看了27/5-[(-2+17/5)...的网友还看了以下：