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Danila643
@Danila643
August 2021
2
12
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Упростите выражение: (а+2b)-(4a-b)+7(b-2a)-(-b+a)
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maloy007
A+2b-4a+b+7b-14a+b-a=11b-18a
4 votes
Thanks 8
lovely0809
(а+2b)-(4a-b)+7(b-2a)-(-b+a)=
а+2b-4a+b+7b-14a+b-a
12b-18a
3 votes
Thanks 2
lovely0809
аа, не 12b,а 11b..
сори
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Answers & Comments
а+2b-4a+b+7b-14a+b-a
12b-18a
сори