Question

Resolva as expressões abaixo

A)[6.(3.4-2.5)-4]+3.(4-2)-(10:2)=

B)40-[3+(10-2):2]=

C)6²:3²+4x10-12=​

Answer 1

A) [6(12-10)-4] + 3(2)-(5)
= [6(2)-4]+6-5
=(12-4)+1
=8+1
=9

B) 40-(3+4)
= 33

C) 36:9 + 40-12
=4+28
=32

Answer 2

A- [6.(12-10)-4] +3.(2-5)
6.2-4 +3.(-3)
8-9
=-1

B- 40-[3+8:2]
40-[3+4]
40-7
=33

2
C- 2 +40X-12
4+40X-12
-8+40X