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Mental Maths Fun!

English 15 Public

Can you answer these questions mentally?

Study Slideshow

12+9=

21

15

15+3=

18

15

21+5=

26

15

32+7=

39

15

36+9=

45

15

39+9

48

15

44+8=

52

15

77+3=

80

15

83+9=

92

15

66+5=

71

15

15+5=

20

15

16+7=

23

15

13+10=

23

15

18+4=

22

15

18+11=

29

15