Show:
addition
addition 2
subtraction
subtraction 2
multiplication
100

1+1

2

100

10+10

20

100

3-3

0


100

23-13

10

100

3x3

9

200

3+3

6



200

13+13

26

200

10-10

0

200

90-89

01

200

4x4

16

300

5+5

10

300

26+26

52

300

7-6

1

300

67-56

11

300

10x10

100

400

7+7

14

400

30+30

60

400

9-5

4

400

80-79


01

400

13x13

169

500

2+2

4

500

60+60

120

500

8-5

3

500

56-45

11

500

14x14

196