1)
[tex]\left(4\frac13-2\frac16):1\frac58=\left(4\frac26-2\frac16):1\frac58= 2\frac16:\frac{13}8=\frac{13}6\cdot\frac8{13}=\frac86=\frac43=1\frac13[/tex]
2)
[tex](-6,4):2\frac2{15}-24,8:\frac45=-\frac{64}{10}:\frac{32}{15}-\frac{248}{10}\cdot\frac54=-\frac{32}{5}\cdot\frac{15}{32}-\frac{62}2\cdot\frac11=\\\\=-\frac{15}5-31=-3-31=-34[/tex]
3)
[tex]2\frac12+3\cdot(-6,2+4,8)=2\frac12+3\cdot(-1,4)=2,5-4,2=-1,7[/tex]
4)
[tex]24,75:\left(-\frac34\right)+5\frac12:\left(-2\frac34\right)= \frac{2475}{100}\cdot(-\frac43)+\frac{11}2:(-\frac{11}4) =\\\\=-\frac{825}{25}\cdot\frac11-\frac{11}2\cdot\frac4{11}=-33-\frac42=-33-2=-35[/tex]
5)
[tex]-3\frac12+2\frac12\cdot(6,2-10,4)=-3\frac12+\frac52\cdot(-4,2)=-\frac72-\frac{21}2=-\frac{28}2=-14[/tex]
6)
[tex]1\frac5{16}:(-\frac34)\cdot(-8)=\frac{21}{16}\cdot(-\frac43)\cdot (-8)=\frac{7}{4}\cdot\frac11\cdot8=\frac{7}{1}\cdot2=14[/tex]
