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N=[x thuộc N/16<x+15<20]
Hãy luôn nhớ cảm ơn và vote 5*
nếu câu trả lời hữu ích nhé!
3715
3775
Đáp án:
Giải thích các bước giải:
`N = {x in NN | 16 < x + 15 < 20}`
`=> N = {x in NN | 1 < x < 5}`
`=> N = {2; 3; 4}`
Vậy `N = {2; 3; 4}`
Hãy giúp mọi người biết câu trả lời này thế nào?
39
64
`~phuonguyen12032011~`
`N={x \in N|16` < `x+15` < `20}`
`N={x \in N|1` < `x` < `5`}
`N={2;3;4}`
Hãy giúp mọi người biết câu trả lời này thế nào?
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https://hoidap247.com/cau-hoi/4983799