Resposta :
Resposta:
a) 7m + 3m = 10m
b) 15t + 2t = 17t
c) 18x + x -5x = 19x - 5x = 14x
d) 5y + y + 2y - 5y = 8y - 5y = 3y
e) 27b -10b + b = 17b + b = 18b
f) 13z + 2z - z = 15z - z = 14z
Resposta:
a) 7m + 3m = 10m
b) 15t + 2t = 17t
c) 18x + x -5x = 19x - 5x = 14x
d) 5y + y + 2y - 5y = 8y - 5y = 3y
e) 27b -10b + b = 17b + b = 18b
f) 13z + 2z - z = 15z - z = 14z