Question

Упростите выражжение
5xy*(-0,2xy);8abc*(-3ab);0,1xyz*2xy

Answer 1

$5xy*(-0.2xy)=5*(-0.2)* x^{2} * y^{2} =- x^{2} y^{2}$

$8abc*(-3ab)=8*(-3)*a^{2} * b^{2}*c=-24a^{2} b^{2}c$

$0.1xyz*2xy=0.1*2* x^{2} * y^{2} *z=0.2x^{2} y^{2}z$