Matching Pairs SUMA Y RESTA DE MONOMIOSOnline version Suma y resta de monomios by Paloma Díez Ferrero 1 -4ab + 2ab = 2 -5x^2 y^2 z - (-x^2 y^2 z)= 3 7a + 5a + 3a= 4 17x ^2 - 4x ^2= 5 2x + 3x = 6 2xy - 2x + 2y= 7 2xy + 4xy - 8xy= 8 5x^4 - 2x^2 - 3x^2= 13x^2 -2ab -4x^2 y^2 z 15a 5x^4 - 5x^2 2xy - 2x + 2y 5x -2xy