7 tens + 5 tens  - 120, 7 ones + 7 ones - 14, 7 tens + 7 tens - 140 , 3 ones + 7 ones  - 10, 6 ones + 5 ones - 11 , 3 tens + 8 tens - 110, 3 + 2 + 7 + 8 - 20, 5 + 6 + 5 - 16, 1 + 5 + 9 - 15, 7 + 4 + 3 + 5 - 19,

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