When you have a string of addition and subtraction and no parentheses, complete the problem by solving from ____ to _____.

Left right

In the order of operations, what is the first operation that you should take care of?

paranthesis

What was the answer to the example 50

Solve this problem: 3(6−8)2 + 8÷2

16

2 − 1[13 − (1 + 6)] is -4

2 + 2[20 − 4(4 + 2)] is -6

3 + 2(1 + 8) is 21

4 − 2(10 − 8)(−4) is 20