3,6х-1,4/22,4=1,765/5,6;
18х-/112=353/1120;
1120 (18х-7)=39536;
20160х-7840=39536;
20160х=39536+7840;
20160х=47376;
х=47/20=2,35
Ответики полетели :D
<span>72+(72-38)=106
72-38=34
72+34=106</span>
87y-45y+21=10542у+21=105
42у=105-21
42у=84
у=84/42
у=2
99^20 = (99^2)^10 = 9801^10
9801^10 < 9999^10
<span>99^20 < 9999^10 </span>