Объяснение:
1) 17x^n y^8 z^3∙2xy^5 z^4=34×х^(n+1)×y^13×z^7
2)-2x^3 c^5 d^8 (-1/2 c^6 dx)=x^4×c^11×d^9
3) 12p^3 q^2 r^10 (1/12 pr^5 q^6)=p^4 ×q^8 ×r^15
4) -99a^m s^n t^n (-1/33 a^n s^k t^m )=3×a^(m+n)×s^(n+k) ×t^(n+m)
Объяснение:
1) 17x^n y^8 z^3∙2xy^5 z^4=34×х^(n+1)×y^13×z^7
2)-2x^3 c^5 d^8 (-1/2 c^6 dx)=x^4×c^11×d^9
3) 12p^3 q^2 r^10 (1/12 pr^5 q^6)=p^4 ×q^8 ×r^15
4) -99a^m s^n t^n (-1/33 a^n s^k t^m )=3×a^(m+n)×s^(n+k) ×t^(n+m)