times
addtion
take away
3 times
3 addtion
100

1x1

1

100

3+9

12

100

1-0

1

100

(5x5)x2

10x2

20

100

(1+1)+1

2+1

3

200

5x6

30


200

4+9

`13

200

5-9

-4

200

4x(3x2)

6x4

24

200

(5+9)+0

14+0

14

300

11x2

22


300

67+89

156

300

34-32

2

300

5x3x8

(5x3)x8

15x8=120

300

465+859+0

1324

400

3x10

30

400

68+034

102

400

7690-1664

6034

400

8x7x9

(8x7)x9

56x9=504

400

869+121+0

990

500

10x10

100

500

1'000+5'667

6'667

500

7676-6767

909

500

1x5x10

(1x5)x10

5x10=50

500

100+100+64

264

M
e
n
u