3 1/4-x-5/8=2 3/4 решите плиз !!!!!! срочно!!!
3 1/4 - x - 5/8 = 2 3/4 13/4 - x - 5/8 = 11/4 26/8 - 5/8 - x = 22/8 21/8 - x = 22/8 - x = 1/8 x= - 1/8