Объяснение:
2.
х= -2
х²-х+2=(-2)²-(-2)+2=4+2+2=8
ответ: Б 8
3.
-2а³b⁴×(-0,5a²b)³= -2a³b⁴×(-0,5³a⁶b³)=
= -2a³b⁴×(-0,125a⁶b³)=0,25a⁹b⁷
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
Verified answer
Объяснение:
2.
х= -2
х²-х+2=(-2)²-(-2)+2=4+2+2=8
ответ: Б 8
3.
-2а³b⁴×(-0,5a²b)³= -2a³b⁴×(-0,5³a⁶b³)=
= -2a³b⁴×(-0,125a⁶b³)=0,25a⁹b⁷