将方程=1去分母,正确的是. [ ] A. 2x-(x-2)=4 B. 2x-x-2=4 C. 2x-x+2=1 D. 2x-(x-2)=1.http://www.tiwen365.com/pages/30R0/0482/0002/5152fb9cb3bd588881774f6dc057be8b/A/Image0.gif
将方程=1去分母,正确的是. [ ] A. 2x-(x-2)=4 B. 2x-x-2=4 C. 2x-x+2=1 D. 2x-(x-2)=1.http://www.tiwen365.com/pages/30R0/0482/0002/5152fb9cb3bd588881774f6dc057be8b/A/Image0.gif
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