Question

Calcule:
A) 3×+4+6×-1=
B)2a+5b+7a-6b=
C)2×+7+5×-3=
​

Answer 1

Resposta:

A) (3×+4)×6÷-1)

3×+4+6×-1)

=9×+3

B)(2a+5b)+7a-6b)=

2a+5b+7a-6b=

9a-b

c)(3×/2+2×-1)(-2×/2+4×+2)=

3×/2+2×-1-2×/2+4×+2