Question

2 - Calcule o valor de cada expressão numérica:
a) 15. 4. (7-2):3 - 1
b) (23 - 2):7 +33 + 22
c) 18 (75 - 21):2+ 24​

Answer 1

Resposta:

A)15×4×(7-2)÷3-1

15×4×5÷3-1

60×5÷3

300÷3

100‐1

99

B)(23‐2)÷7+33+22

21÷7+33+22

3+33+22

58

C)18(75‐21)÷2+24

18 ×54÷2+24

18×54=972÷2

486+24

510