(9/8-1/4+5/6)÷1/36简便算(9/8-1/4+5/6)÷1/36 3/8÷(3/4-1/8) (2-0.6)÷7/15 23×17/24 2/7+5/7×7/15
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(9/8-1/4+5/6)÷1/36简便算(9/8-1/4+5/6)÷1/36 3/8÷(3/4-1/8) (2-0.6)÷7/15 23×17/24 2/7+5/7×7/15
(9/8-1/4+5/6)÷1/36简便算
(9/8-1/4+5/6)÷1/36 3/8÷(3/4-1/8) (2-0.6)÷7/15 23×17/24 2/7+5/7×7/15
(9/8-1/4+5/6)÷1/36简便算(9/8-1/4+5/6)÷1/36 3/8÷(3/4-1/8) (2-0.6)÷7/15 23×17/24 2/7+5/7×7/15
(8/9-1/4+5/6)÷1/36
= 8/9*36-1/4*36+5/6*36
=32-9+30
=53
3/8÷(3/4-1/8)
= 3/8÷5/8
= 3/8*8/5
=3/5
(2-0.6)÷7/15
=1.4*15/7
=3
23×17/24
=(24-1) ×17/24
=24×17/24-17/24
= 17 -17/24
=17又7/24
2/7+5/7×7/15
=2/7+1/3
=6/21+7/21
=13/21
(9/8-1/4+5/6)÷1/36
=(9/8-1/4+5/6)×36
=9/8×36-1/4×36+5/6×36
=32-9+30
=53
3/8÷(3/4-1/8)
=3/8÷5/8
=3/8×8/5
=3/5
(2-0.6)÷7/15 ...
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(9/8-1/4+5/6)÷1/36
=(9/8-1/4+5/6)×36
=9/8×36-1/4×36+5/6×36
=32-9+30
=53
3/8÷(3/4-1/8)
=3/8÷5/8
=3/8×8/5
=3/5
(2-0.6)÷7/15
=7/5÷7/15
=7/5×15/7
=3
23×17/24
=(24-1)×17/24
=24×17/24-1×17/24
=17-17/24
=16又7/24
2/7+5/7×7/15
=2/7+1/3
=13/21
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