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Cálculo mental

Spanish 37 Public

Sumas, restas y multiplicaciones

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5+3

8

5

8+9

17

5

5+4+3

12

5

7+6+5

18

5

1+9+4

14

5

11+11

22

10

53+53

106

10

61+61

122

10

46+46

92

10

19-3

16

5

37-7

30

5

89-5

84

5

78-5

73

5

23-9

14

10

73-8

65

10

28-9

17

10

1
2
3
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