Ответ:
№266
-(+24.9) = -24.9
= 
-(-8.5) = 8.5
-(-15) = 15
-(-124) = 124
= 
-(+480) = -480
-(-2) = 2
№267
a)
- 1\frac{1}{3}" alt="\frac{5}{6} > - 1\frac{1}{3}" align="absmiddle" class="latex-formula">
-45\frac{1}{7}" alt="1 > -45\frac{1}{7}" align="absmiddle" class="latex-formula">
-\frac{1}{99}" alt="0 > -\frac{1}{99}" align="absmiddle" class="latex-formula">
б)-12.25< 2.3
0.01 > -156.3
0 > -15.9
0.05>0
в)-3.7>4.5
3\frac{1}{2}" alt="-\frac{1}{2} > 3\frac{1}{2}" align="absmiddle" class="latex-formula">
-18.4<-5</p>
-12< 
№268
-6.3 < 5
> -0.5
-2<-1</p>
> -3
-5.8 > -7
1 > -10.7
2<2.9<3</p>
-3<-2.4 <-2</p>
-11<-10.5<-10</p>