120x(1/8+1/3+1/6)= 1/2x5/12+1/2x1/3= 1/18x46+4/9x46= (4/7x5/

3757760602022-10-04 11:39:542条回答

120x(1/8+1/3+1/6)= 1/2x5/12+1/2x1/3= 1/18x46+4/9x46= (4/7x5/4+1)÷0.2= (5/9-1/2x1/3)÷5/6=

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lyzo 共回答了15个问题 | 采纳率100%
120x(1/8+1/3+1/6)
=120×(1/8)+120×(1/3)+120×(1/6)
=15+40+20
=75
1/2x5/12+1/2x1/3
=(1/2)×(5/12 +1/3)
=(1/2)×(9/12)
=(1/2)×(3/4)
=3/8
1/18x46+4/9x46
=(1/18 +4/9)×46
=(9/18)×46
=(1/2)×46
=23
(4/7x5/4+1)÷0.2
=(5/7 +1)÷(1/5)
=(12/7)×5
=60/7
(=8又7分之4)
(5/9-1/2x1/3)÷5/6
=(5/9-1/2x1/3)×(6/5)
=(5/9)×(6/5) -(1/6)×(6/5)
=2/3 -1/5
=10/15 -3/15
=7/15
1年前
海磐 共回答了64个问题 | 采纳率
(5/9-1/2x1/3)÷5/6
=(5/9-1/2x1/3)×(6/5)
=(5/9)×(6/5) -(1/6)×(6/5)
=2/3 -1/5
=10/15 -3/15
=7/15
1年前

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120x(1/8+1/3+1/6)= 1/2x5/12+1/2x1/3= 1/18x46+4/9x46= (4/7x5/
120x(1/8+1/3+1/6)= 1/2x5/12+1/2x1/3= 1/18x46+4/9x46= (4/7x5/4+1)÷0.2= (5/9-1/2x1/3)÷5/6=
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120x(1/8+1/3+1/6)
=120×(1/8)+120×(1/3)+120×(1/6)
=15+40+20
=75
1/2x5/12+1/2x1/3
=(1/2)×(5/12 +1/3)
=(1/2)×(9/12)
=(1/2)×(3/4)
=3/8
1/18x46+4/9x46
=(1/18 +4/9)×46
=(9/18)×46
=(1/2)×46
=23
(4/7x5/4+1)÷0.2
=(5/7 +1)÷(1/5)
=(12/7)×5
=60/7
(=8又7分之4)
(5/9-1/2x1/3)÷5/6
=(5/9-1/2x1/3)×(6/5)
=(5/9)×(6/5) -(1/6)×(6/5)
=2/3 -1/5
=10/15 -3/15
=7/15