Question

Com os calculos:


A)3a+8b-7c-10a+12b+18c=


B)3x-8y+10x-2y=


C)3a+8b-7c-10a+12b+18c=


D)18a-12b+7ab-15a+8b=


E)2a - 8a
8a - 2b

F)7ab-8a+12ab+15ab-12a=

Answer 1

Resposta:

A = -7a+20b+11c

B= y+2x

C= ? Mesma conta da alternativa a

D= 3a-4b+7ab

E=?

F=-20a+53ab