-2+(2/4)+3-2-(1/3)+(-2)-(2/2)=
-2+(1/2)+3-2-(1/3)-2-1=
-2+(3/6)+1-(2/6)-3=-2+1-3+(3/6)-(2/6)=-4+(1/6)
15:(312/17+25/17)+(4,2-23/5):4=
15/1*17/337+(21/5-23/5):4=
255/337-2/5*1/4=
255/337-1/10=2550/3370-337/3370=2213/3370
<span><span>
120<u>/6</u>
</span><span><u>-12</u> 20
</span> 0</span>
.......................................................................................
<u><em>Делители числа 21</em></u>: 1, 3, 7, 21
<em><u>Делители числа 374</u></em>: 1, 2, 11, 17, 22, 34, 324
<em><u>Делители числа 45</u></em>: 1, 3, 5, 9, 15, 45