(39+х) -27=22
39+х -27=22
х= 27 -39+22
х=10
Ответ: х=10.
НОД<span> (</span>32<span>; </span>24<span>; </span>16) = 8 НОК<span> (</span>9<span>; </span>24<span>; </span>18) = 72 НОД<span> (</span>15<span>; </span>8) = 1
<span> </span>НОК<span> (</span>15<span>; </span>8<span>) = 120</span>
1)93/7*7/11=8 5/11
2)8 5/11+2.9=11 39/110
3600:2=1800
1800:60=30(в)-вагонов по60 тонн
1800:90=20(в)-вагонов по90 тонн