adding
subtracting
adding harder
subtracting harder
bonus
100

2+2

4

100

1-1

0

100

2+5

7

100

4-2

2

100
0+1

1

200

3+3

6

200
2-1

1

200

3+4

7

200

6-3

3

200

2+5

7

300

4+4

8

300

3-1

2

300

6+4

10

300

9-3

6

300

5-3

2

400

5+5

10

400

4-1

3

400

3+2

5

400

5-4

1

400

6-5

1

500

6+6

12

500

5-1

4

500

6+2

8

500

6-2

4

500

3-2

1

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