Friday, 13 March 2015
Thursday, 5 March 2015
Subtracting with HTO part 1
this week I have been learning Subtracting with HTO here is my Example
1. 74 - ? = 22
22 + ? = 74
22 + 8 = 30
30 + 44 = 74
44 + 8 = 52
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