83 - 14 =, 73 - 25 = , 33 - 26 =  , 44 - 15 = , 13 - 9 = , 18 - 9 = , 42 - 33 = , 63 - 25 = , 95 - 27 = , 51 - 17 = , 83 - 15 = , 32 - 14 = , 17 - 8 = , 22 - 18 =, 35 - 17 =.

2 digit subtraction with regrouping

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