Question

expressão numérica

1)2+8-3-5+15=
2)12+[35-(10+2)+2]=
3)[(18+3×2)÷8+5×3]÷6=
4)37+[-25-(-11+19-4)]=
5)60÷{2-[-7+18÷(-3+12)]}-[7×(-3)-18÷(-2)+1]=
6)-8+{-5+[(8-12)+(13-12)]-10}=
7)3-{2+(11-15)-[5+(-3+1)]+8}=
8)[-1+(2²-5×6)]÷(-5+2)+1=
9)[-(2⁴-8)×2-24]÷[2²-(-3+2)]=
10){[8×4+3)÷7+(3+15÷5)×3]×2-(19-7)÷6}×2+12=​

Answer 1

Explicação passo-a-passo:

1) 2 + 8 - 3 - 5 + 15 = 10 - 8 + 15 = 25 - 8 = 17

2) 12 + [35 - (10 + 2) + 2]

= 12 + ( 35 - 10 - 2 + 2)

= 12 + ( 35 - 10 + 0)

= 12 + 25

= 37