Show:
addition
subtraction
multiplication
division
adding fractions
100

9+4

13

100

7-5

2

100

8x2

16

100

12/3

4
100

3/4 +1/4

4/4

200

12+43

55

200

15-8

7

200

5x9

45

200

20/4

5

200

1/3+2/3

3/3

300

139+540

679

300

25-14

11

300

12x6

72

300

48/8

6

300

7/8+5/8

12/8

400

15+46

61

400

567-342

225

400

10x15

150

400

50/5

10

400

45/50+3/50

48/50

500

575+362

917

500

97-59

38

500

50x32

1600

500

96/12

8

500

92/100+6/100

98/100