解方程、要过程的,不要一步就写答案的! 5
解方程、要过程的,不要一步就写答案的!X+1/4=5/6X—1/4=3/86/7—X=2/3X+1/4=5/6X—1/4=3/86/7—X=2/3...
解方程、要过程的,不要一步就写答案的!
X+1/4=5/6
X—1/4=3/8
6/7—X=2/3
X+1/4=5/6
X—1/4=3/8
6/7—X=2/3 展开
X+1/4=5/6
X—1/4=3/8
6/7—X=2/3
X+1/4=5/6
X—1/4=3/8
6/7—X=2/3 展开
5个回答
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解;X+1/4=5/6 x+1/4-1/4=5/6-1/4
x=5/6-1/4
x=(5*2-3*1)/12
x=7/12
X—1/4=3/8
x-1/4+1/4=3/8+1/4
x=(3+2)/8
x=5/8
6/7—X=2/3
6/7-x+x=2/3+x
6/7=2/3+x
6/7-2/3=2/3+x-2/3
(6*3-7*2)/21=x
x=4/21
X—1/4=3/8
x-1/4+1/4=3/8+1/4
x=(3+2*1)/8
x=5/8
x=5/6-1/4
x=(5*2-3*1)/12
x=7/12
X—1/4=3/8
x-1/4+1/4=3/8+1/4
x=(3+2)/8
x=5/8
6/7—X=2/3
6/7-x+x=2/3+x
6/7=2/3+x
6/7-2/3=2/3+x-2/3
(6*3-7*2)/21=x
x=4/21
X—1/4=3/8
x-1/4+1/4=3/8+1/4
x=(3+2*1)/8
x=5/8
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X+1/4=5/6 6/7—X=2/3 X=6/7-2/3 X=4/21 X+1/4=5/6 X=5/6-1/4 X=7/12X=5/6-1/4 X—1/4=3/8 X=3/8+1/4 X=5/8 X=20/24-6/24
X=7/12
X—1/4=3/8
X=3/8+1/4
X=3/8+2/8
X=5/8
X=7/12
X—1/4=3/8
X=3/8+1/4
X=3/8+2/8
X=5/8
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X+1/4=5/6
x=5/6-1/4
x=7/12
X—1/4=3/8
x=3/8+1/4
x=5/8
6/7—X=2/3
x=6/7-2/3
x=4/21
x=5/6-1/4
x=7/12
X—1/4=3/8
x=3/8+1/4
x=5/8
6/7—X=2/3
x=6/7-2/3
x=4/21
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X+1/4=5/6 x+1/4-1/4=5/6-1/4
x=5/6-1/4
x=(5*2-3*1)/12
x=7/12
X—1/4=3/8
x-1/4+1/4=3/8+1/4
x=(3+2)/8
x=5/8
6/7—X=2/3
6/7-x+x=2/3+x
6/7=2/3+x
6/7-2/3=2/3+x-2/3
(6*3-7*2)/21=x
x=4/21
X—1/4=3/8
x-1/4+1/4=3/8+1/4
x=(3+2*1)/8
x=5/8
x=5/6-1/4
x=(5*2-3*1)/12
x=7/12
X—1/4=3/8
x-1/4+1/4=3/8+1/4
x=(3+2)/8
x=5/8
6/7—X=2/3
6/7-x+x=2/3+x
6/7=2/3+x
6/7-2/3=2/3+x-2/3
(6*3-7*2)/21=x
x=4/21
X—1/4=3/8
x-1/4+1/4=3/8+1/4
x=(3+2*1)/8
x=5/8
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