Try another version of these questions
Use the rule for order of operations to simplify the expression as much as possible:
`-5+5(-4+5) =` 0
Use the rule for order of operations to simplify the expression as much as possible:
`6(-3+7) + 9(-5+7) =` 42
Use the rule for order of operations to simplify the expression as much as possible:
`2+(-12)-:4+2(8) =` 15