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6/7×1/7÷1115-4/5×2/3-155/6-(2/3-1/4）÷15/1616/25[（5/8-1/2）×4/5(要详细过程）快很急!
题目详情
6/7×1/7÷11
15-4/5×2/3-15
5/6-(2/3-1/4）÷15/16
16/25[（5/8-1/2）×4/5
(要详细过程）快很急!
15-4/5×2/3-15
5/6-(2/3-1/4）÷15/16
16/25[（5/8-1/2）×4/5
(要详细过程）快很急!
▼优质解答
答案和解析
6/7×1/7÷11
=6/49x1/11
=6/539
15-4/5×2/3-15
=15-8/15-15
=-8/15
5/6-(2/3-1/4）÷15/16
=5/6-5/12x16/15
=5/6-4/9
=15/18-8/18
=7/18
16/25[（5/8-1/2）×4/5(题不对）
=6/49x1/11
=6/539
15-4/5×2/3-15
=15-8/15-15
=-8/15
5/6-(2/3-1/4）÷15/16
=5/6-5/12x16/15
=5/6-4/9
=15/18-8/18
=7/18
16/25[（5/8-1/2）×4/5(题不对）
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