多項(xiàng)式除以單項(xiàng)式

多項(xiàng)式除以單項(xiàng)式,先把這個(gè)多項(xiàng)式的每一項(xiàng)除以這個(gè)單項(xiàng)式,再把所得的商相加.例計(jì)算:(-4x4y2z+8x2y-10xy2z2)÷(-5xy).解:原式=(-4x4y2z)÷(-5xy)+(8x2y)÷(-5xy)+(-10xy2z2)÷(-5xy)＝x3yz-x+2yz2. ......（本文共 137 字 ）     [閱讀本文] >>