(-3xy²-2xy+1)-½(xy-6xy²-2)
2个回答
(-3xy²-2xy+1)-½(xy-6xy²-2)
=-3xy²-2xy+1-1/2xy+3xy²+1
=-2.5xy+2
相关问题
(3x²+2xy-½x)-(2x²-xy+xy)
¼x³y²·﹙﹣2xy²﹚+﹙-2x²y﹚·﹙-½xy﹚·3
已知x²+xy=2,y²+xy=5,则½x²+xy+½y²的
(3xy-9x2-2y2-6xy)-(6x2+2xy-3xy-y)
1、3x²-6xy+2xy²
1/2xy(2/3xy²-2xy)
化简求值:¼xy²+(2x²y-1)-(½xy²+3/2x²
[6xy-3(xy-1/2x的平方y]/3xy=?
[6xy-3(xy-1/2x的平方y]/3xy=?
3x-2xy-8-2x+6xy-x²+6、-x²+2xy-y²-3x²-2xy+