14 化簡-2(x-7)-3(1-y)-6(x-y)=____
詳解 (共 10 筆)
詳解
-2x+14-3+3y-6x+6y=-8x+9y+11
詳解
-8x+9y+11
詳解
-8x+9y+11
詳解
=-2x+14-3+3y-6x+6y
=-8x+9y+11
詳解
-8x+20y+11
詳解
原式=-8x+9y+11 ......答
詳解
-8x+20y+11
詳解
-8x+9y+11
詳解
-8x+3y+9
詳解
-8x+9y+11