Show:
ADDITION
SUBTRACTION
MULTIPLICATION
DIVISION
PEMDAS
100

6 + 7 =

13

100

5 - 6 =

-1

100

6 . 9 

54

100

56 / 7

8

100

1 + 2 - (6 / 3 + 5) . 4

-25

200

-5 + -7

-12

200

2 - (-4)

6

200

-5 . -9

45

200

-66 / 2

-33

200

5 + ( 63 / 7 + 5 . 2 -1 ) - 9

14