来自商重阳的问题
3(2x+1)(2x-1)-4[(3)/(2)x-3][(3)/(2)+3]5(2x+5)2+(3x-4)(-3x-4)(2x+y-z+5)(2x-y+z+5)[(7)/(3)x+(3)/(2)y]2
3(2x+1)(2x-1)-4[(3)/(2)x-3][(3)/(2)+3]
5(2x+5)2+(3x-4)(-3x-4)
(2x+y-z+5)(2x-y+z+5)
[(7)/(3)x+(3)/(2)y]2
1回答
2020-01-14 18:29