Today we used the part adder and our problem that we had to solve was 48 + 49 = ? I used the part adder: make your own hard sums to work this problem out! First I did 20 + 28 which equaled 48 + 2 = 50 + 30 = 80 + 17 = 97!
40 + 8 + 2 = 50 + 30 = 80 + 17 = 97!
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