Question

(Por favor me ajudem!)

Calcule as expressões
A) (18-5+3)+2=
B) 30+(50-12)-15=
C) 13-8+7-4-2
D) 4+6×4=
E) 5²+3×5-2²=
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Answer 1

Resposta:

A) 18

B) 53

C) 6

D) 40

E) 36

Explicação passo-a-passo:

A) (18-5+3)+2=

18-5= 13 +3=16+2=18

B) 30+(50-12)-15=

30+50=80-12=68-15=53

C) 13-8+7-4-2=

13-8=5+7=12-4=8-2=6

D) 4+6×4=

4+6=10×4=40

E) 5²+3×5-2²=

5×5=25+15-2×2=36