Question

Resolva as expressões: A) 12+ [45: ( 1- 10) +2]= B) [(18 + 3 × 2) + 8 + 5 × 3] + 6=

Answer 1

Explicação passo-a-passo:

a) 12+ [45: ( 1- 10) +2]=

12+[45:(-9)+2]

12+[-5+2]

12-3=9

b)[(18 + 3 × 2) + 8 + 5 × 3] + 6

[(18+6)+8+15]+6

[24+8+15]+6

47+6=53