Помогите пожалуйста!!!!!!!
2 1/3 *2 1/3=7\3*7/3=49/9 5 4/9 - 49/9 = 5 4/9 - 5 4/9 = 0 0* 8 1/4 * 1 3/20 = 0 12 * 1/3 = 4 4 * 3 3/4 = 4 * 15/4 = 15 15 * 1 1/5 = 15 * 6/5 = 18 4/17 * 0 * 5 18/49 = 0 0+18-0 = 18