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Which operation should you perform first in the expression

 $1+8\div2$  

• addition
  

• subtraction

• multiplication

• division

Which operation should you perform first in the expression 

 $4\times6-3$  

• addition
  

• multiplication
  

• subtraction

• division

Which operation should you perform first in the expression

 $\left(2+5\right)\ -\ 4^2$  

• addition

• multiplication

• parenthesis

• subtraction

What is the value of the expression

9 + (12 - 10)

• 9

• 40

• 13

• 11

 $10\div5+7$  

What is the value of the expression

• 13

• 12

• 12

• 9