Question

Упрастите выражение: 1)3m^2n*0,4mn^2 ;
2)7 1/3b^3c^2*9/11a^4b^5 ;
3) -5x^4y^2z^8 *(-0,8x^6y^8z^2)
;4)-5 3/7abc*3,5a^12b^10c

Answer 1

1) 1,2m^3n^3
2)21/11a^4b^8c^2
3)4x^10y^10z^10
4)-7,5a^13b^11c^2