Question

Quanto e 5x9-4x5+(4-8)

Answer 1

5x9-4x5+(4-8)
45 - 20 + 4 - 8
25 - 4
21

Valeu !

Answer 2

5 * 9 - 4 * 5 + (4 - 8)
45 - 20 + (-4)
45 - 20 - 4
45 - 24
21

BONS ESTUDOS!