(8/11-x)+2/11=10/11 срочно!
• (8/11 - x) + 2/11 = 10/11 1. 8/11 - x + 2/11 = 10/11 2. (8+2)/11 = 10/11 3. 10/11 - x = 10/11 4. -x = 0 DG_Janja