Зменшуване збільшили на 2. Як треба змінити від'ємник, щоб різниця: 1) зменшилася на 12; 3) збільшилася на 2;

When my summer holidays came I was very happy!  The weather was fine so my friends and I went for a walk every day. It was fun! Then I spent a month in the country where my grandfather and grandmother lived. It was great. I drank milk and ate a lot of tasty food which my granny prepared for me. I have many friends in this village because I go there every holidays. We played football and tennis every day! There is a small river near the forest and we swam when the weather was fine. It was great!  I liked my holidays very much.