Question

a) 2 ⋅ 4 − 3
3 − 4 ⋅ 4 + 5
9 − 5 ⋅ − 4
6 = 2

Answer 1

Boa tarde,

a)2.4 -3

8-3

5

b) -4 . 4 +5

-8+5

-3

c)9-5.(-4)

9-(-20)

-29