3.2-4.2+2.4-2.3=
-1.2+3.4=


Resposta :

3.2-4.2+2.4-2.3=

6 - 8 + 8 - 6 =

6 - 6 = 0

-1.2+3.4=

- 2 + 12 = 10

Resposta:

3×2=6 4×2=8 2×4 = 8 2×3

6-8+8-6

6-16-6

4