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CÁLCULO MENTAL

Spanish 15 Public

CÁLCULO MENTAL

Study Slideshow

2X5+7

17

15

6X6 + 8

44

15

8X8 + 9

73

15

9X9 +5

86

15

7X 7 +2

51

15

5 X8 + 10

50

15

7X 9 + 11

74

15

2 X 8 + 9

25

15

3X9 +8

35

15

8X7+6

62

15

4X8+5

37

15

8X6+8

56

15

15X2+7

37

15

6X4+7

31

15

7X7+5

54

15