/-это дробь
1) -5x:(-5/9)=
2) 18/27 a:9/12=
3)(-9ab³):(-3ab)=
4) 0,25x⁶ y⁵:(1/5 x³ y²)
1) = -5х* (-9/5)=-х*(-9)=9х
2)=18/27*12/9=24/27
3) =3b^2
4)=0.75x^3y^3
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Answers & Comments
1) = -5х* (-9/5)=-х*(-9)=9х
2)=18/27*12/9=24/27
3) =3b^2
4)=0.75x^3y^3