plus
minus
gange
brøker
divider
100

378+784

1162

100

283-710

427

100

91*72

6552

100

5/7

+

4/7

9/17

100

17:2=

8,5

200

66+44

110

200

601-510

91

200

88*69

6072

200

7/9+6/9

13/9

200

63:12=

5,25

300

50+19

69

300

423-912

489

300

66*23

1518

300

5/8+9/8

13/17

300

100:4

25

400

1007+232

1239

400

312-44

268

400

77*52

4004

400

233:8

29,125

500

653+735

1388

500

812-1103

291

500

34*555

18870

500

1000:5

200