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速算(2) 個位的進位加法

Chinese 18 Public

P1 個位的進位加法

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#ALL MATHS

7 + 9 =

16

10

6 + 8 =

14

10

9 + 8 =

17

10

9 + 7 =

16

10

6 + 4 =

10

10

8 + 5 =

13

10

5 + 7 =

12

10

5 + 5 =

10

10

9 + 9 =

18

10

6 + 6 =

12

10

8 + 8 =

16

10

8 + 7 =

15

10

7 + 7 =

14

10

7 + 6 =

13

10

9 + 6 =

15

10

6 + 5 =

11

10

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