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Cálculo mental

Spanish 16 Public

Cálculo mental

Study Slideshow

15+35

50

15

87-52

35

15

54-19

35

15

105x2

210

15

100:4

25

15

47+83-30

100

15

5+6+4-15

0

15

30x3

90

15

66:3

22

15

100x80

8000

15

527-32

495

15

527-37

490

15

35x2

70

15

63:3

21

15

25x5

125

15

284:4

71

15