问题描述:
1.100/19x=100/21(x-2) 2.2/x+1-2=4/x 3.4/5x-1=2/
1.100/19x=100/21(x-2)
2.2/x+1-2=4/x
3.4/5x-1=2/3x+1-3/2-x
4.2/3x+2-1=4/2x-1-5/2x+1
6.2/3x+5=3/2x-1
7.-5/x-3=15/3x+4
8.4/3x+5-1=6/5y-7
9.3/5y+4+4/y-1=2-12/5y-5
会哪题就答哪题
1.100/19x=100/21(x-2)
2.2/x+1-2=4/x
3.4/5x-1=2/3x+1-3/2-x
4.2/3x+2-1=4/2x-1-5/2x+1
6.2/3x+5=3/2x-1
7.-5/x-3=15/3x+4
8.4/3x+5-1=6/5y-7
9.3/5y+4+4/y-1=2-12/5y-5
会哪题就答哪题
问题解答:
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