Question

Rasolva as seguintes expressões numéricas

A)(40-25)÷3+7.5=

B)(12-5).(12+5)-17=

C)(20÷(12-8)).7-10=

Answer 1

A)(40-25)÷3+7.5
15÷3+35
5+35
40

B)(12-5).(12+5)-17
7.60-17
420-17
403

C)(20÷(12-8)).7-10
(20÷4).7-10
5.7-10
35-10
25