Question

d)138-15.6+31+60÷2
e)80+{5+[(8+12)+(13+12.)]+10{​

Answer 1

Resposta:

D: 138-15.6+31+60.2

138-90+31+60.2

138-90+31+120

48+151

199


e: 80+{5+[(8+12)+(13+12)]+10}

80 + { 5 + [20 +25] + 10 }

80 + { 5 + 45 + 10 }

80 + 60 =

140

Explicação passo a passo:

Answer 2

Resposta:

D) = 109

E) = 140

Explicação passo a passo:

$138-15\cdot \:6+31+60\div \:2\\\\138-90+31+60\div \:2\\\\138-90+31+30\\\\109$

--------------------------

$80+5+\left[\left(8+12\right)+\left(13+12\right)\right]+10\\\\80+5+45+10\\\\140$