Question

tìm n bt n e N

a) 2n + 1 chia hết cho 6 - n

b) 2n + 7 chia hết cho n + 1

c) 3n chia hết cho 5 - 2n

d) 4n + 3 chia hết cho 2n - 6

e) 2n + 5 chia hết cho n - 5

g) n + 5 chia hết cho 2 - 2n

h) n² - n + 13 chia hết cho n + 3

k) n² - n + 11 chia hết n - 1

các bạn làm giúp mk nhé!!!! ai lm đúng thì mk sẽ tick!!! mk cảm ơn mn trước nhé!!!! ^.^

Answer 1

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