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脱式计算,能简便的要简便.23/25除以(3/4+2/5)1/7X9/13除以5/14除脱式计算,能简便的要简便.23/25除以(3/4+2/5)1/7X9/13除以5/14除以3/1315/16除以(5/12除以5/8+3/8)(2/3-1/2+1
题目详情
脱式计算,能简便的要简便.23/25除以(3/4+2/5) 1/7X9/13除以5/14除
脱式计算,能简便的要简便.
23/25除以(3/4+2/5)
1/7X9/13除以5/14除以3/13
15/16除以(5/12除以5/8+3/8)
(2/3-1/2+1/6)除以1/24
脱式计算,能简便的要简便.
23/25除以(3/4+2/5)
1/7X9/13除以5/14除以3/13
15/16除以(5/12除以5/8+3/8)
(2/3-1/2+1/6)除以1/24
▼优质解答
答案和解析
23/25÷(3/4+2/5)
=23/25÷23/20
=23/25×20/23
=4/5
1/7×9/13÷5/14÷3/13
=1/7×9/13×14/5×13/3
=6/5
=1又1/5
15/16÷(5/12÷5/8+3/8)
=15/16÷(2/3+3/8)
=15/16÷25/24
=9/10
(2/3-1/2+1/6)÷1/24
=(2/3-1/2+1/6)×24
=16-12+4
=8
=23/25÷23/20
=23/25×20/23
=4/5
1/7×9/13÷5/14÷3/13
=1/7×9/13×14/5×13/3
=6/5
=1又1/5
15/16÷(5/12÷5/8+3/8)
=15/16÷(2/3+3/8)
=15/16÷25/24
=9/10
(2/3-1/2+1/6)÷1/24
=(2/3-1/2+1/6)×24
=16-12+4
=8
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