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Cálculo mental

Spanish 15 Public

Juego mental

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6 X 6 + 12=

48

20

6 X 4 + 6 =

30

20

3 X 7 + 5 =

26

20

8 X 2 + 3 =

19

20

9 X 2 + 12=

30

20

729+18 =

747

20

659+9=

668

20

734+16=

750

20

219+11=

230

20

437+7=

444

20

9 X 8 - 7=

65

20

6 X 8 - 12 =

36

20

2 X 8 - 6 =

10

20

9 X 5 - 6 =

39

20

9 X 7 -12 =

51

20