Show:
division 1
multiplication 1
division 2
multiplication 2
mix
100

10/2=

5

100

59x60

3540

100

600/4

150

100

20x12

240

100

10x20

200

200

1/3

1/3

200

21x13

273

200

14/1

14

200

14x30

420

200

7,000,000,000-6,000,000,000

1,000,000,000

300

20/20

1

300

4x4

16

300

13/1

13

300

13x100

1300

300

1,000,000,000,000+1,000,000,000,000

2,000,000,000,000

400

9000/3

3000

400

13x14

182

400

40/20

2

400

41x31

1271

400

300/3

100

500

88080/2

44,040

500

5,000x 4

20,000

500

40/2

200

500

20x400

8000

500

1/4 x 4

1