Question

Упростите выражение Воооот

Answer 1

...= 1,5 * c^3*d^4 - 1,2* c^3 * d^4 = 0,3*c^3*d^4

Answer 2

$2,5c^2dcdot 0,6dcdot cd^2-4ccdot cd^3cdot 0,3dcdot c=\\=1,5c^3d^4-1,2c^3d^4=0,3c^3d^4$