Show:
SUMA
RESTA
MULTIPLICACION
DIVISION
MIXTO
100
1/2 + 3/5
11/10
100
5/2 - 1/4
9/4 2 1/4
100
1/5 . 1/4
1/20
100

2/5 : 1/2

4/5

100
1/2 . 1/6 / 1/4
4/12 , 1/3
200
2/8 + 1/3
7/12
200
5/6 - 1/2
1/3
200
2/7 . 3/5
6/35
200

8/5 : 1/2

16/5 

200
2/5 . 1/6 / 1/4
8/30, 4/15
300
1/5 + 2/6
8/15
300
2/5 - 1/9
13/45
300
4/9 . 3/2
6/9 2/3
300

1/9 : 1/12

12/9 , 4/3 

300
1/2 . 4/3 / 1/5
20/6, 10/3
400
1/2 + 1/6
2/3
400
1/4 -1/8
1/8
400
10/6 . 2/5
20/30 2/3
400

6/7 : 8/9

54/56 , 27/28

400

(2/5 + 2/3) . 1/2

16/30, 8/15

500
2/5 + 6/8
1 3/20
500

1/5 - 1/6

1/30 

500

81/5 . 35/9

63

500

81/4 : 9/36

81

500

(2/5 + 6/10) : (2/7 + 9/21)

210/150, 21/15, 7/5