Question

упражнение 111, срочно!!!

Answer 1

$1)-5x*(-9/5)=-9x$
$2)18a/27*10/9=20a/27$
$3)(-9ab^2)/(-3ab)=3b$
$4)x^6y^3/4 *5/x^3y^2=5x^3y/4$
$5)xy^2/8*4xy^3=x^2y^5/2$
$6)-a^2b^3/2*8/a^2b^2=-4b$