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fatima18112004
@fatima18112004
August 2022
2
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Упростите выражения:
1)(-5m+4k)-(4m-7k)-8m;
2)(4n-3)-(7-5n)-8.
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АринаАринина
(-5m+4k)-(4m-7k)-8m = -5m + 4k - 4m + 7k - 8m = -17m + 11k
(4n-3)-(7-5n)-8 = 4n - 3 - 7 + 5n - 8 = 9n - 18 = 9(n-2)
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студент143
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Answers & Comments
(4n-3)-(7-5n)-8 = 4n - 3 - 7 + 5n - 8 = 9n - 18 = 9(n-2)