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2

2

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15 رو

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7 and i are 8 8 and I are 9 9 and 1 are 10
7 2

9
8
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II 7 3 IO 8

3
II

31 I 2 7 4 II

4 12

9 » 4
5 I 2 8

5 13 9 5
6
8 6

9

6
7 14

8
7

7 , 71, 81, 15:8, 8. ».

, 9 16 8

9 17 9

SUBTRACTION.
I from 2 leaves i

9

leaves 6 I 3

3 IO

7
I
4
3 3 II

8
1
5
4 3

I 2

9 I

6 I 7

4 from 5 leaves I
I

7
4

6
I

8
4 7

3
IO
9 4

8

4 4 9

5
2 from 3 leaves 1

4 IO
4
2

4
2 5 9 13

4

8
2 6
9 : 4
4

9
5
8
6

5 from 6 leaves i
2
9

7
2
IO
8
5 8

3
2
II
9
5 9

4
4 leaves I

5 IO 3 5

5 II
3 6

3
5 I 2

7
3 7
4 5

8
: 8
5 5

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2

MULTIPLICATION, 3 times i is

3 3

2

6

22 3 3 » 9 3

4 I 2 3 5 3

6 18 3 7 21 3

8 3 9 27 3 IO 3 II 3

1 2 36

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4 times 1 is 4 4

2

8 4 3 I 2 4

4 ,

16 4 5 20 4

6 4 7 4

8 4

36 4 IO 4 II 44 4

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24 رو

2

28 32

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14 16 18 20 22 24

2

10

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40 رو

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33 رو

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6 times I is 6 6

2 12 6

3 »

18 6

4 24 6

5 30 6 6 36 6 7 6 8 6

9 54 6 IO

60 6 II 66 6

I2 72

7 times r is 7 7

14 7 3 2Ι 7

4 »

28 7

5 » 35 7

6 7 7 7

8 7

63 7

70 7

II 7 I 2

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25 40

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56

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60

84

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24

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ΙΟ

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30 40 50

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8 times I is 8 8 2 16 8

3 8

4 - 32 8

5 40 8 6 48 8

7 56 8 8 8

9 και 72 8

80 8 II 88 8

96

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ΙΟ

9 9 9 9 9 9 9 9 9 9

3 » 4 » 5 6 7 8 9 ΙΟ

5 6 7 8 9 και Ιο

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64

45 54 63 72 81 90 99 Ιο8

Ιο

70 80 90 Ιοο

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