1) forty plus twenty it's sixty
2) fifty seven plus four it's sixty one
3) eighteen plus seven it's twenty five
4) seventy eight plus fourty it's ninety two
5) nineteen plus eight it's twenty seven
6) sixty eight plus fifteen it's eighty three
7) fourty two plus fourty five it's eighty seven
8) eighty three plus seven it's ninety
9) eighty five plus fifteen it's one hundred
10) ninety nine plus one it's one hundred
11) fifty three plus fouty seven it's one hundred
12) twenty seven plus sewenty three it's one hundred