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calcul mental

Spanish 14 Public

operacions suma i resta

Study Slideshow

35+24=

59

15

57+21=

78

15

22+65=

87

15

73+15=

88

15

17+22=

39

15

85+14=

99

15

55-41=

14

10

27-16=

11

10

66-51=

15

10

68-35

33

10

7+3+5

15

5

2+5+5=

12

5

6+8+4=

18

5

3+8+2=

13

5