adding
x
-
100

200+390

590

100

1x0

0

100

16-16

0

200

233+133

366

200

2x10

20

300

432+158

813

300

300x2

600

400

544+300

844

400

300x3

900

500

3000+432

3432

500

21x4

84

M
e
n
u