【#文档大全网# 导语】以下是®文档大全网的小编为您整理的《用公式解法解方程》,欢迎阅读!
用公式解法解方程
1.x-2x-8=0 2.-3x+22x-24=0 3.2x2+3x+1=0 4. -x2-x+12 =0
2
2
5.5x2-3x+2 =0 6.
9.4t2-4t+1=0 10.25x
13.0.2x2+0.1x=1 14.7x
2x2
3x202-49=0 11.2y=3y2-19x-6=0 15.10x2
+2 8.2x2 12.2x2-x-3=0 16.2x2
-10x=3
2
+5x-1=0 2
-33x+3=0
7.7x=4x
2
17.2x(x-3)=x-3 18.3x+5(2x+1)=0 19. (x-1)(x+2)=5 20.(3x-2)(3x+2)=12
21.4x(x-1)=3(x-1) 22.(8-2x)(5-2x)=18 23.2(2x-1)-x(1-2x)=0 24.x(x-2)+x-2 =0
25.x-4(x-1)=5 26.x(
29.(x+1)-3 (x +1)+2=0 30.(1-3y)+2(3y-1)=0 31.(5x-1)=3(5x-1) 32.(2x1)9(x3)
2
2
2
2
2
x+4)=12 27.(x+1)(x+2)=2x+4 28.2(x-3)=x2-9 3
22
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