7/12*6/5*24*15/2=42/60*24*15/2=16,8*15/2=126/
4/15+4/15*3/4-1/3=4/15+12/60-1/3=28/60-20/60=8/60=4/30=2/15
145/7*х=5 х=5*7/145=35/145=7/29
1/10*26/3*10*х=1 26/3*x=1 x=3/26
Y=2x
y=3-x
2x=3-x
3x=3
x=1;
y=2;
Ответ:(1;2)
<span>(x + 3)^2 = (x - 5)^2
Ответ:</span>
<span>x1 = 1</span>
M/1.8+2.05=9 n/5=63-56.08
m=9*3.85 n/5=6.92
m=34.65 n=34.6
34.65/1.8+2.5=34.65/3.85=9 34.6/5=63-56.08
k/8-6.09=6 34.6/5=6.92
k/1.91=6 z/19.63+0.37=8.376
k=6*1.91 z/20=8.376
k=11.46 z=167.52
11.46/8-6.09=11.46/1.91=6 167.52/19.63+0.37=8.376
х/78,09+21,91=0,736 у/98,35-83,17=7
х/100=0,736 у/15,18=7
х=73,6 у=106,26
73,6/78,09+21,9,8 106,26/98,35-83,17=7
12ц=1200 кг
50г=0,05 кг
1200-(96+0,05)
1200-96,05=1103,95