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Which operation would you do first in the following equation?
10 - 4 ÷ 1 · 5

• Subtraction
• Division
• Multiplication
• Addition 

90 - 5² x 3

• 15
• 240
• 195

15 x 19 + 18 ÷ 6 = 

• 250
• 199
• 400
• 288

6 + 3² x 4 - 2² ÷ 4 =

• 51

• 41

• 14

• 18

72 - 10 ÷ 2 x ( 3 x 4 ) =

• 12

• 68

• 372

• 8

( 9 x 2 ) - ( 2 x 5 ) =

• 8

• 180

• 18

• 115

9 + 4 x 4 ÷ 8 x 3 - 2 x 6 =

• 8

• 2.3

• 10.95

• 3

Simplify: 50 - (35 - 10 ⋅ 2)

• 50

• 0

• 35

• -5

Simplify:

63 ÷ 7 - 3 ⋅ 2 + 4

• 7

• -9

• -1

• 3

What is the first step in PEMDAS?

• Parenthesis

• Expoments

• Addition

• MaTh