Find the totals!
70 + 4 =
3 + 80 =
20 + 1 + 3 + 30 =
2 + 40 + 3 + 40 =
5 tens + 3 units =
6 units + 2 tens =
2 tens + 6 tens + 3 units =
7 units + 4 tens + 1 unit + 3 tens =
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