PEMDAS

Front

2+(3x1)

Back

5

Front

3 x 2 + 4

Back

10

Front

Solve using PEMDAS rules: 7 - 2 + 8

Back

13

Front

(19 - 7) ÷ 4 + 11

Back

14

Front

1 + ( 2 x 9 ) =

Back

19

Front

(12 ÷ 3 ) + 3 + ( 16 - 7 ) × 4

Back

43

Front

21 ÷ 3 + (3 × 9) × 9 + 5 =

Back

255

Front

9 ÷ 3 + (7 × 5) × 6 + 16 =

Back

229

Front

8 + [ (4 + 5) ⋅ 2 ]

Back

26

Front

13 - 7 + 8 × 9 + 63 ÷ 7 =

Back

87