Question

resolva as expressoes abaixo: a-)72-5x(27:3-6) b-(20:5+3)x22 c-33:{10+[6:3+(1+2)]-4} d-120+{560:[40+(300:10)]-19} e-28x[6x(42:3-9)] f-360:{100-[50-(2x3+4)]}+40 g-(64:8-2x3)x10 h-46+[5+(42:6-4)]

Answer 1

Resposta:

a) 57

b) 154

c) 3

d) 112

e) 840

f) 46

g) 20

h) 54

Explicação passo-a-passo:

a) 72-5(27:3-6)

72-5(9-6)

72-5x3

72-15

57

b) (20:5+3)22

(4+3)22

7x22

154

c) 33:{10+[6:3+(1+2)]-4}

33:{10+[2+(1+2)]-4}

33:{10+[2+3]-4}

33:{10+5-4}

33:11

3

d) 120+{560:[40+(300:10)]-19}

120+{560:[40+30]-19}

120+{560:70-19}

120+{8-19}

120+{-8}

120-8

112

e) 28[6(42:3-9)]

28[6(14-9)]

28[6x5}

28x30

840

f) 360:{100-[50-(2x3+4)]}+40

360:{100-[50-(6+4)]}+40

360:{100-[50-10]}+40

360:{100-40}+40

360:60+40

6+40

46

g) (64:8-2x3)10

(8-6)10

2x10

20

h) 46+[5+(42:6-4)]

46+[5+(7-4)]

46+[5+3]

46+8

54