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soroban l1 s1

English 20 Public

math soroban question

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1+2+5-6

2

15

2+2-3+6

7

15

4+5-7+2

4

15

7-2+1+1

7

15

2+1+5-3

5

15

8-5+1+5

9

15

6+3-2-2

5

15

6+3-2-1

6

15

2+1+5-2

6

15

1+2+5-7

1

15

9-4+2+1

8

15

5+1+2-8

0

15

5+1+2-8+6-1+4

9

15

9-4+2+1-5-2-1

0

15

5+1+2-8+5+1+2

8

15

2+1+5-2+1-2+4

9

15

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