Show:
Addition
Subtraction
Fractions
Division
Multiplication
100

72 + 83

155

100

98 - 42

56

100

1/4 + 2/4

3/4

100

36 / 6

6

100

6 x 4

24

200

47 + 98

145

200

42-29

13

200

4/9 + 1/9 + 3/9

8/9

200

100/10

10

200

7 x 7

49

300

8367 + 836

9203

300

852-659

193

300

3/7 + 4/14 

10/14, 5/7

300

72 / 9 

8

300

82 x 64

492

400

82674 + 82738

165,412

400

9787 - 4978

4809

400

Simplify: 

7/21

1/3

400

121 / 11

11

400

634 x 4

2,536

500

98765 + 45978

144,743

500

85479-4952

80,527

500

5/15 + 2/3

15/15 or 1!

500

132/12

11

500

7684 x 5

38,420