(17 3/4-16 5/6)-(29-28 23/24)=(71/4- 101/6)-(28 24/24 - 28 23/24)=
(213/12-202/12)-1/24=11/12-1/24=22/24-1/24=21/24=7/8
Х=0
х+8 х-8 =0
х+3 х-3 =0
0=0
1) <span>3.09 : 1/40=0,07725;
2) </span><span>32.3 : 17/50=32,3/0,34=95
3) (0,07725-95)/4=-94,92275/4
4) </span><span>0.069 * 1/3 =0,023
5) 0,023-94,92275/4=0,023-9492275/400000=0,023-379691/16000=(23*16-379691)/16000=-379323/16000=-23 11323/16000
Ответ: </span><span>-23 11323/16000</span>
81:15=5 (6ост)
97:3=32 (1ост)
59:14=4 (3ост)
78:5=15 (3ост)