Show:
Adition

Long addition
Multoplication
Add
Minus
100

1+1

2

100

1+5+6

12

100

5-4

1

100

5+5+5+5+5+5+5

35

100

1-1

0

200

2+2

4

200

5+5+90

100

200

1000-100

900
200

1+2+3+4

10

200

10-5

5

300

4+4

8

300

1+100+90+87

270

300

1234-300

934

300

7+7

14

300

543-123

420

400

8+8

16

400

100+1568+1009

2677

400

100-5

995

400

8+8

16

400

1000-1000

0

500

16+16

32

500

10000+156

100156

500

5678-100

5578

500

9+9

18

500

500-100

400