Question

Resolva as expressões numéricas abaixo:
A) 20:5 + 3 =
B) 8-2.3 =
C) (18 - 15 + 3) + 2 =
D) (30 - 6)-(5 + 10) - 8 =
E) [26-( 13 + 5 )-4] + 15 =
F) [200 + ( 100 - 80 - 20 + 30 ) ] - 170 =
G) 300 + { 200 - [( 40 +50 ) - 90 ] - 10 ) =
H) 555 : 5 - 71 + 6. 15 =
1) (50 - 56: 8.4): 11.17 =
J) 5 +{(73 - 18.2). [33 - ( 12 + 7)]} =​

Answer 1

Resposta:

C) (18-15+3)+2=

(3+3)+2

6+2

8

D) (30-6)-5+10)-7=

(24)-(15)-7

9-7

2

E) [26-(13+5-4]+15=

26-(18)-4+15

8-4+15

19

F) [200+(100-80-20+30)]-170=

200+(30)-170

230-170

60