Solve: 81÷9÷3+18+27-10 Using Order of Operations

According to the order of operations rules, we'll place the division exercises in parentheses:

$(81:9:3)+18+27-10=$

Let's solve the expression in parentheses from left to right:

$81:9=9$

$9:3=3$

We should obtain the following expression:

$3+18+27-10=$

Let's solve the expression from left to right:

$3+18=21$

$21+27=48$

$48-10=38$