Toán Thu gọn đa thức: Q=5x^2y-3xy+1/2x^2y-xy+5xy-1/3x+1/2+2/3x-1/4 11/07/2021 By Audrey Thu gọn đa thức: Q=5x^2y-3xy+1/2x^2y-xy+5xy-1/3x+1/2+2/3x-1/4
`Q = 5x^2y – 3xy + 1/2x^2y – xy + 5xy – 1/3x + 1/2 + 2/3x – 1/4` `Q = (5x^2y + 1/2x^2y) + (-3xy – xy + 5xy) + (1/3x + 2/3x) + (-1/4 + 1/2)` `Q = 11/2x^y + xy + 1/3x + 1/4` Trả lời
`Q(x)=5x²y-3xy+1/2x²y-xy+5xy-1/3x+1/2+2/3x-1/4` `Q(x)=(5x²y+1/2x²y)+(-2xy-xy+5xy)+(-1/3x+2/3x)+(1/2-1/4)` `Q(x)=11/2x²y+2xy+1/3x-1/4` Trả lời
`Q = 5x^2y – 3xy + 1/2x^2y – xy + 5xy – 1/3x + 1/2 + 2/3x – 1/4`
`Q = (5x^2y + 1/2x^2y) + (-3xy – xy + 5xy) + (1/3x + 2/3x) + (-1/4 + 1/2)`
`Q = 11/2x^y + xy + 1/3x + 1/4`
`Q(x)=5x²y-3xy+1/2x²y-xy+5xy-1/3x+1/2+2/3x-1/4`
`Q(x)=(5x²y+1/2x²y)+(-2xy-xy+5xy)+(-1/3x+2/3x)+(1/2-1/4)`
`Q(x)=11/2x²y+2xy+1/3x-1/4`