Упростите выражения
1) (-a)×b×(-a)×b×(-a)
2) 8m×(-n)×(-m)×2nd
3) (-ab)×(-bc)×(-ca)
4) (-2xy)×(-2yz)×(-2xz)×(-2xyz)
1) (-a)×b×(-a)×b×(-a)
2) 8m×(-n)×(-m)×2nd
3) (-ab)×(-bc)×(-ca)
4) (-2xy)×(-2yz)×(-2xz)×(-2xyz)
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Answers & Comments
7m•2nd•(-n)
-ab•(-bc)•(-ca)
-2xy•(-2xz)•(-2xyz)•(-2yz)