Question

resolva as expressoes numéricas a seguir
12x3+15:5

(40-25):3+7x5

(12-5)x(12+5)-17

(20:(12-8))x7-10

100:(25-5)+3x10

(((40:8)-3)x4):8

Answer 1

12x3+15:5
36 + 3 
= 39

(40-25):3+7x5
(15):3 + 35 
5 + 35
= 40

(20:(12-8))x7-10
(20 : ( 4) x7 -10
5 x 7 - 10 
35 - 10 
= 25

100:(25-5)+3x10
100 : 20 + 30 
5 + 30 
= 35

(((40:8)-3)x4):8
(5 - 3) x 4):8
(2 x 4 ) : 8 
8 : 8
= 1

Answer 2

somente as respostas ou o cálculo completo ???