Вычитаем единицы, при необходимости занимаем 1 десяток, затем вычитаем десятки.
- 93−49=44; 31−22=9; 34−16=18.
- 67−48=19; 53−47=6; 56−28=28.
- 76−48=28; 83−34=49; 73−57=16; 55−18=37; 92−58=34; 73−47=26; 71−14=57.
- 96−49=47; 64−38=26; 55−16=39; 31−14=17; 66−29=37; 23−15=8; 32−18=14.
- 68−19=49; 57−29=28; 41−35=6; 30−19=11; 46−18=28; 93−65=28; 32−26=6.
- 92−48=44; 76−37=39; 24−19=5; 61−35=26; 45−37=8; 52−44=8.
- 73−65=8; 62−15=47; 32−26=6; 56−38=18; 46−28=18; 87−79=8; 64−27=37; 52−25=27.
- 73−18=55; 87−58=29; 54−36=18; 21−17=4; 34−16=18; 56−28=28; 92−55=37.
Ответ: 44, 9, 18, 19, 6, 28, 28, 49, 16, 37, 34, 26, 57, 47, 26, 39, 17, 37, 8, 14, 49, 28, 6, 11, 28, 28, 6, 44, 39, 5, 26, 8, 8, 8, 47, 6, 18, 18, 8, 37, 27, 55, 29, 18, 4, 18, 28, 37.