Wednesday, 29 April 2020

maths

19 + 1 = 20
12 + 8 = 20
34 + 6 = 40
31 + 9 = 40
43 + 7 = 50
67 + 3 = 70
82 + 8 = 90
75 + 5 = 80
44 + 6 = 50
53 + 7 = 60
88 + 2 = 90

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