Question

Efetue as operações com monômios: A)a+a+a B)3x+4x+5x C)5p-7p D)6Tsobre 2 -8tsobre2-4t+7t

Answer 1

Resposta:

$A)~~a+a+a=3a\\ \\ B)~~3x+4x+5x=12x\\ \\ C)~~5p-7p=-2p\\ \\ D)~~\frac{6t}{2} -\frac{8t}{2} -4t+7t\\ \\ m.m.c.=2\\ \\ \frac{6t-8t-8t+14t}{2} =\frac{4}{2}t=2t$