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(1) 12₇ ÷ 5

21 = (2) 5 6 ÷

7

12 = (3) 10

7 × 4 15 =

(4) ₂₀1 ÷ 6

5 = (5)

1 20 ×

15

7 = (6)

9 16 ÷

17 20 =

(7) 11₈ ÷ 15

16 = (8) 11 12 ×

20

3 = (9)

21 17 ×

13 14 =

(10) 17₂₁ ÷ 6

7 = (11) 9 4 ÷

3

10 = (12) 5 14 ÷

20 21 =

(13) 21₁₇ × 5

7 = (14) 4

5 ×10 = (15) 5 8 ×

9 10 =

(16) 11₇ ÷ 17

21 = (17) 10

7 × 9

4 = (18) 10 21 ÷

1 15 =

(19) 6₇ × 7

18 = (20) 1 12 ÷

(1) 12₇ ÷ 5 21 =

36

5

(2)

5 6 ÷

7 12 =

10

7

(3)

10 7 ×

4 15 =

8

21

(4) ₂₀1 ÷ 6 5 =

1

24

(5)

1 20 ×

15 7 =

3

28

(6)

9 16 ÷

17 20 =

45

68

(7) 11₈ ÷ 15 16 =

22

15

(8)

11 12 ×

20 3 =

55

9

(9)

21 17 ×

13 14 =

39

34

(10) 17₂₁ ÷ 6 7 =

17

18

(11)

9 4 ÷

3 10 =

15

2

(12)

5 14 ÷

20 21 =

3

8

(13) 21₁₇ × 5 7 =

15

17

(14) 4₅ ×10 =

8

(15) 5₈ × 9 10 =

9

16

(16) 11₇ ÷ 17 21 =

33

17

(17)

10 7 ×

9 4 =

45

14

(18)

10 21 ÷

1 15 =

50

7

(19) 6₇ × 7 18 =

1

3

(20)

1 12 ÷

11 6 =

1

(1) ₁₄3 ÷ 8

21 = (2) 20 13 ×

11

16 = (3) 9 10 ÷

4 5 =

(4) 6× 7

9 = (5)

11 12 ÷

11

8 = (6)

19 20 ÷

11 16 =

(7) ₁₀9 ÷ 1

6 = (8)

5 21 ÷

1

14 = (9) 5 12 ÷

5 18 =

(10) ₂₀7 × 10

7 = (11) 15

8 × 11

12 = (12) 1 20 ÷

3 10 =

(13) 5₆ ÷ 1

12 = (14) 21 16 ×

12

7 = (15) 12 11 ×

14 15 =

(16) 11₇ ÷ 5

21 = (17) 7 12 ÷

17

18 = (18) 9 10 ÷

9 5 =

(19) 13₁₈ × 6

5 = (20) 2 21 ÷

(1) ₁₄3 ÷ 8 21 =

9

16

(2)

20 13 ×

11 16 =

55

52

(3)

9 10 ÷

4 5 =

9

8

(4) 6× 7 9 =

14

3

(5)

11 12 ÷

11 8 =

2

3

(6)

19 20 ÷

11 16 =

76

55

(7) ₁₀9 ÷ 1 6 =

27

5

(8)

5 21 ÷

1 14 =

10

3

(9)

5 12 ÷

5 18 =

3

2

(10) ₂₀7 × 10 7 =

1

2

(11)

15 8 ×

11 12 =

55

32

(12)

1 20 ÷

3 10 =

1

6

(13) 5₆ ÷ 1

12 =

10

(14) 21 16 ×

12 7 =

9

4

(15)

12 11 ×

14 15 =

56

55

(16) 11₇ ÷ 5 21 =

33

5

(17)

7 12 ÷

17 18 =

21

34

(18)

9 10 ÷

9 5 =

1

2

(19) 13₁₈ × 6 5 =

13

15

(20)

2 21 ÷

13 14 =

4

(1) 17₂₀ ×10 = (2) 11 14 ÷

8

21 = (3) 13 21 ÷

5 9 =

(4) 19₂₀ × 5

9 = (5)

11 12 ÷

5

18 = (6) 13 20 ×

10 7 =

(7) 12₇ × 5

6 = (8)

1 10 ÷

7

12 = (9) 1 10 ÷

13 15 =

(10) 1₅ ÷ 3

10 = (11) 7 18 ÷

5

12 = (12) 11 16 ÷

11 8 =

(13) 11₁₂ ÷ 3

16 = (14) 11 14 ÷

12

7 = (15) 21 16 ×

1 7 =

(16) 11₆ ÷ 4

21 = (17) 9 14 ×

7

10 = (18) 7 12 ÷

7 8 =

(19) 5₇ ÷ 1

14 = (20) 5

(1) 17₂₀ ×10 =

17

2

(2)

11 14 ÷

8 21 =

33

16

(3)

13 21 ÷

5 9 =

39

35

(4) 19₂₀ × 5 9 =

19

36

(5)

11 12 ÷

5 18 =

33

10

(6)

13 20 ×

10 7 =

13

14

(7) 12₇ × 5 6 =

10

7

(8)

1 10 ÷

7 12 =

6

35

(9)

1 10 ÷

13 15 =

3

26

(10) 1₅ ÷ 3 10 =

2

3

(11)

7 18 ÷

5 12 =

14

15

(12)

11 16 ÷

11 8 =

1

2

(13) 11₁₂ ÷ 3 16 =

44

9

(14)

11 14 ÷

12 7 =

11

24

(15)

21 16 ×

1 7 =

3

16

(16) 11₆ ÷ 4 21 =

77

8

(17)

9 14 ×

7 10 =

9

20

(18)

7 12 ÷

7 8 =

2

3

(19) 5₇ ÷ 1

14 =

10

(20) 5

(1) 11₁₆ ÷ 3

4 = (2)

8 3 ×

3

4 = (3)

3 7 ÷

20 21 =

(4) ₁₄9 ÷ 13

7 = (5)

1

21 ×7 = (6) 6 7 ÷

4 21 =

(7) 4₅ × 15

8 = (8)

13 18 ×

12

7 = (9)

9 8 ÷

11 12 =

(10) ₁₈1 ÷ 7

12 = (11) 1 6 ×

9

5 = (12) 6 11 ×

11 14 =

(13) 13₁₄ ÷ 10

7 = (14) 11 21 ÷

10

7 = (15) 3 14 ÷

12 7 =

(16) ₁₀1 × 12

5 = (17) 7 6 ÷

11

18 = (18) 7

12 ×20 =

(19) ₁₅1 ÷ 7

10 = (20) 15

(1) 11₁₆ ÷ 3 4 =

11

12

(2) 8₃ × 3

4 =

2

(3) 3 7 ÷

20 21 =

9

20

(4) ₁₄9 ÷ 13 7 =

9

26

(5)

1

21 ×7 =

1

3

(6)

6 7 ÷

4 21 =

9

2

(7) 4₅ × 15 8 =

3

2

(8)

13 18 ×

12 7 =

26

21

(9)

9 8 ÷

11 12 =

27

22

(10) ₁₈1 ÷ 7 12 =

2

21

(11)

1 6 ×

9 5 =

3

10

(12)

6 11 ×

11 14 =

3

7

(13) 13₁₄ ÷ 10 7 =

13

20

(14)

11 21 ÷

10 7 =

11

30

(15)

3 14 ÷

12 7 =

1

8

(16) ₁₀1 × 12 5 =

6

25

(17)

7 6 ÷

11 18 =

21

11

(18)

7

12 ×20 =

35

3

(19) ₁₅1 ÷ 7 10 =

2

21

(20)

15 8 ×

6 7 =

45

(1) 9₄ × 5

21 = (2) 5 12 ×

8

15 = (3) 20 11 ×

13 8 =

(4) 15₇ × 5

9 = (5)

5 8 ÷

7

12 = (6) 8 9 ×

1 16 =

(7) ₁₂5 ÷ 8

9 = (8)

9 20 ÷

11

16 = (9) 9 10 ×

15 8 =

(10) 11₁₂ × 16

9 = (11) 5 8 ÷

3

4 = (12) 3

10 ×6 =

(13) ₂₀1 × 15

4 = (14) 1 10 ×

20

7 = (15) 20 11 ×

5 8 =

(16) 9₅ × 13

18 = (17) 17 20 ÷

9

5 = (18) 13 14 ×

21 19 =

(19) ₁₂5 × 18

7 = (20) 7 15 ÷

(1) 9₄ × 5 21 =

15

28

(2)

5 12 ×

8 15 =

2

9

(3)

20 11 ×

13 8 =

65

22

(4) 15₇ × 5 9 =

25

21

(5)

5 8 ÷

7 12 =

15

14

(6)

8 9 ×

1 16 =

1

18

(7) ₁₂5 ÷ 8 9 =

15

32

(8)

9 20 ÷

11 16 =

36

55

(9)

9 10 ×

15 8 =

27

16

(10) 11₁₂ × 16 9 =

44

27

(11)

5 8 ÷

3 4 =

5

6

(12)

3

10 ×6 =

9

5

(13) ₂₀1 × 15 4 =

3

16

(14)

1 10 ×

20 7 =

2

7

(15)

20 11 ×

5 8 =

25

22

(16) 9₅ × 13 18 =

13

10

(17)

17 20 ÷

9 5 =

17

36

(18)

13 14 ×

21 19 =

39

38

(19) ₁₂5 × 18 7 =

15

14

(20)

7 15 ÷

10 21 =

49

(1) 18₁₁ × 1

9 = (2)

7 18 ×

6

7 = (3)

9 4 ÷

9 10 =

(4) 6₅ × 20

7 = (5)

7 12 ÷

17

18 = (6) 13

21 ×18 =

(7) 17₁₈ ×6 = (8) 5 16 ÷

3

14 = (9) 13 20 ÷

9 10 =

(10) 7₄ × 10

9 = (11) 4 9 ÷

10

21 = (12) 7 10 ÷

13 14 =

(13) 11₁₂ ÷ 7

16 = (14) 9 16 ÷

15

8 = (15) 20 21 ÷

13 14 =

(16) 11₁₄ ÷ 13

21 = (17) 12

7 × 5

14 = (18) 12

5 × 11 16 =

(19) ₁₈1 ÷ 11

12 = (20) 1 6 ÷

(1) 18₁₁ × 1 9 =

2

11

(2)

7 18 ×

6 7 =

1

3

(3)

9 4 ÷

9 10 =

5

2

(4) 6₅ × 20 7 =

24

7

(5)

7 12 ÷

17 18 =

21

34

(6)

13

21 ×18 =

78

7

(7) 17₁₈ ×6 =

17

3

(8)

5 16 ÷

3 14 =

35

24

(9)

13 20 ÷

9 10 =

13

18

(10) 7₄ × 10 9 =

35

18

(11)

4 9 ÷

10 21 =

14

15

(12)

7 10 ÷

13 14 =

49

65

(13) 11₁₂ ÷ 7 16 =

44

21

(14)

9 16 ÷

15 8 =

3

10

(15)

20 21 ÷

13 14 =

40

39

(16) 11₁₄ ÷ 13 21 =

33

26

(17)

12 7 ×

5 14 =

30

49

(18)

12 5 ×

11 16 =

33

20

(19) ₁₈1 ÷ 11 12 =

2

33

(20)

1 6 ÷

7 12 =

2

(1) 11₆ ÷ 13

14 = (2) 11 21 ÷

11

14 = (3) 5

12 ×15 =

(4) 20₃ × 2

5 = (5) 6× 7

12 = (6)

11 12 ×

20 3 =

(7) ₁₂5 ÷ 5

8 = (8)

11 16 ÷

11

12 = (9) 12

7 × 9 20 =

(10) 9₈ ÷ 5

14 = (11) 3 4 ÷

1

10 = (12) 4 7 ÷

11 14 =

(13) 13₁₅ × 18

13 = (14) 4 9 ×

15

14 = (15) 2 15 ×

6 11 =

(16) 11₂₀ × 15

13 = (17) 7 8 ÷

15

16 = (18) 12

7 × 5 6 =

(19) 21₂ × 11

12 = (20) 4 7 ×

(1) 11₆ ÷ 13 14 =

77

39

(2)

11 21 ÷

11 14 =

2

3

(3)

5

12 ×15 =

25

4

(4) 20₃ × 2 5 =

8

3

(5) 6×

7 12 =

7

2

(6)

11 12 ×

20 3 =

55

9

(7) ₁₂5 ÷ 5 8 =

2

3

(8)

11 16 ÷

11 12 =

3

4

(9)

12 7 ×

9 20 =

27

35

(10) 9₈ ÷ 5 14 =

63

20

(11)

3 4 ÷

1 10 =

15

2

(12)

4 7 ÷

11 14 =

8

11

(13) 13₁₅ × 18 13 =

6

5

(14)

4 9 ×

15 14 =

10

21

(15)

2 15 ×

6 11 =

4

55

(16) 11₂₀ × 15 13 =

33

52

(17)

7 8 ÷

15 16 =

14

15

(18)

12 7 ×

5 6 =

10

7

(19) 21₂ × 11 12 =

77

8

(20)

4 7 ×

21 17 =

12

(1) ₁₄9 × 7

9 = (2)

9 16 ×

8

11 = (3) 11

7 ÷ 11 14 =

(4) ₁₈1 × 12

7 = (5) 12× 1

9 = (6)

3 7 ÷

13 14 =

(7) 11₇ ÷ 9

14 = (8) 11 18 ×

6

5 = (9)

1 8 ÷

9 10 =

(10) 14₁₁ × 5

21 = (11) 21 13 ×

13

14 = (12) 10

9 × 1 15 =

(13) 16₂₁ × 7

4 = (14) 5 6 ÷

2

9 = (15) 9 10 ÷

15 8 =

(16) ₁₆3 ×12 = (17) 3 10 ×

8

9 = (18) 7 12 ÷

11 6 =

(19) 17₂₁ ÷ 11

(1) ₁₄9 × 7 9 =

1

2

(2)

9 16 ×

8 11 =

9

22

(3) 11₇ ÷ 11

14 =

2

(4) ₁₈1 × 12 7 =

2

21

(5) 12×

1 9 =

4

3

(6)

3 7 ÷

13 14 =

6

13

(7) 11₇ ÷ 9 14 =

22

9

(8)

11 18 ×

6 5 =

11

15

(9)

1 8 ÷

9 10 =

5

36

(10) 14₁₁ × 5 21 =

10

33

(11)

21 13 ×

13 14 =

3

2

(12)

10 9 ×

1 15 =

2

27

(13) 16₂₁ × 7 4 =

4

3

(14)

5 6 ÷

2 9 =

15

4

(15)

9 10 ÷

15 8 =

12

25

(16) ₁₆3 ×12 =

9

4

(17)

3 10 ×

8 9 =

4

15

(18)

7 12 ÷

11 6 =

7

22

(19) 17₂₁ ÷ 11 6 =

34

77

(20) 12× 1

(1) ₁₆1 ÷ 13

8 = (2)

7 12 ×

16

7 = (3)

11 14 ×

7 10 =

(4) ₁₂7 ÷ 1

16 = (5) 5 12 ×

20

19 = (6) 3 5 ×

15 7 =

(7) ₁₈1 ÷ 5

6 = (8) 18× 1

12 = (9) 11 18 ÷

5 12 =

(10) ₂₁4 ×6 = (11) 11 18 ×

15

13 = (12) 11 12 ÷

2 9 =

(13) 5₈ × 7

10 = (14) 1 6 ÷

5

12 = (15) 1 12 ×

6 11 =

(16) 21₂₀ × 13

14 = (17) 13 20 ÷

3

5 = (18) 15 16 ÷

9 14 =

(19) 6₅ ÷ 13

20 = (20) 9 14 ÷

(1) ₁₆1 ÷ 13 8 =

1

26

(2)

7 12 ×

16 7 =

4

3

(3)

11 14 ×

7 10 =

11

20

(4) ₁₂7 ÷ 1 16 =

28

3

(5)

5 12 ×

20 19 =

25

57

(6)

3 5 ×

15 7 =

9

7

(7) ₁₈1 ÷ 5 6 =

1

15

(8) 18×

1 12 =

3

2

(9)

11 18 ÷

5 12 =

22

15

(10) ₂₁4 ×6 =

8

7

(11)

11 18 ×

15 13 =

55

78

(12)

11 12 ÷

2 9 =

33

8

(13) 5₈ × 7 10 =

7

16

(14)

1 6 ÷

5 12 =

2

5

(15)

1 12 ×

6 11 =

1

22

(16) 21₂₀ × 13 14 =

39

40

(17)

13 20 ÷

3 5 =

13

12

(18)

15 16 ÷

9 14 =

35

24

(19) 6₅ ÷ 13 20 =

24

13

(20)

9 14 ÷

1 7 =

9

(1) 16₅ × 1

12 = (2) 1 6 ÷

1

14 = (3) 20

9 × 13

8 =

(4) 17₁₈ × 9

8 = (5)

6 7 ×

2

9 = (6)

13 20 ×

8 15 =

(7) 7₆ ÷ 13

18 = (8) 7 15 ×

20

7 = (9)

1 6 ÷

5 18 =

(10) 6× 5

18 = (11) 4 9 ×

1

8 = (12) 9 20 ÷

9 10 =

(13) 21₄ × 11

18 = (14) 6× 13

8 = (15)

5 6 ÷

5 18 =

(16) ₁₈1 ÷ 5

6 = (17) 15 16 ÷

19

20 = (18) 1 12 ×

16 13 =

(19) 4₇ ÷ 13

14 = (20) 6 11 ×

(1) 16₅ × 1 12 =

4

15

(2)

1 6 ÷

1 14 =

7

3

(3)

20 9 ×

13 8 =

65

18

(4) 17₁₈ × 9 8 =

17

16

(5)

6 7 ×

2 9 =

4

21

(6)

13 20 ×

8 15 =

26

75

(7) 7₆ ÷ 13 18 =

21

13

(8)

7 15 ×

20 7 =

4

3

(9)

1 6 ÷

5 18 =

3

5

(10) 6× 5 18 =

5

3

(11)

4 9 ×

1 8 =

1

18

(12)

9 20 ÷

9 10 =

1

2

(13) 21₄ × 11 18 =

77

24

(14) 6

× 13 8 =

39

4

(15) 5₆ ÷ 5

18 =

3

(16) ₁₈1 ÷ 5 6 =

1

15

(17)

15 16 ÷

19 20 =

75

76

(18)

1 12 ×

16 13 =

4

39

(19) 4₇ ÷ 13 14 =

8

13

(20)

6 11 ×

15 8 =

45