Question

64÷8•2-10=
12+19-3•8=
8•3÷6•10÷20=
12•(4+1)-100÷2=
21-18÷3=
evaluate ​

Answer 1

1. 6

2. 7

3. 2

4. 10

Okay so the formula u can use is PEMDAS

P= Parenthesis

E= Exponents

M= Multiplication

D= Division

A= Addition

S= Subtraction

I hope that helps but if you need me to do step by step of each question then please let me know.

Answer 2

1. 6

2. 7

3. 2

4. 10

5. 15

Explanation:

I just used an order of operations strategy, PEMDAS (parentheses, exponents, multiplication, division, addition, subtraction) to solve them. Good luck!