Question

Calcule as expressões​

Answer 1

9 -

a) 1 + 0 = 1 e) 8 - 7 = 1

b) 15 + 9 = 24 f) 2 + 3 = 5

c) -3 + 4 = 1 g) -5 - 6 = -11

d) 3 × 4 - 9 = 3 h) -10 - 12 = -22

10 -

7² - √64 + 3²

49 - 8 + 9

41 + 9

50