Show:
Addition
Subtraction
Multiplication
Fraction
100

6+4=

10


100

9-4=

5

100

7x4=

28

100

1/4 + 1/4 =

2/4


200

12+7=

19


200

18-4=

14

200

3x8

24


200

8/9 - 4/9= 

4/9


300

23+66=

89

300

37-9=

28

300

6x4=

24


300

5/14 + 6/14 =

11/14


400

59+13=

72


400

54-19=

35


400

5x9

45

400

6 x 2/7=

12/7

500

125+46=

171


500

142-25=

117

500

6x9=

54

500

3 x 5/8 =

15/8