23:(6 5/17+1 12/17)-(4 2/5-2 3/5):5= ПОЖАЛУЙСТА ПОМОГИИТЕЕ СРОЧНО ....
1) 6 5/17 + 1 12/17 = 107/17 + 29/17 = 136/17 = 8 2) 23 : 8 = 23 * 1/8 = 23/8 = 2 7/8 3) 4 2/5 - 2 3/5 = 22/5 - 13/5 = 9/5 = 1 4/5 4) 1 4/5 : 5 = 9/5 : 5 = 9/5 * 1/5 = 9/25 5) 2 7/8 - 9/25 = 23/8 - 9/25 = 575/200 - 72/200 = 503/200 = 2 103/200