1) (х+3)^3 =9х^2+х(х-4)×(х+4)+113=2) (2х-1)^3 -8х^3=12х(-х -1/2)=3) (х+5)^3-(х+1)^3=4(3х^2-5)= ​

nurija090675 nurija090675    2   08.10.2019 07:50    0