154,8288м = 1,548288м квадратных
3(1-2x)-5(3-x)-6(3x-4)=83
3 - 6x - 15 + 5x - 18x + 24 = 83
5x - 6x - 18x = 83 - 3 + 15 - 24
-19x = 71
x = -71/19
x =
_1,75 /<u> 7 </u>
<u>1 4 </u> / 0,25
_ 35
<u>35</u>
0
(5/14+1/7)+(11/18-1/9)=(5/14+2/14)+(11/18-2/18)=7/14+9/18=1/2+1/2=2/2=1
<span>(а-238)+186=402
а=402+238-186
а=454</span>