Câu `1:` `a)` $sqrt{16}$ `.` $sqrt{9}$ `-1/2.`$sqrt{256}$ `b) 3.|-2| - 1/2 .|-2/5| Câu `2:` `a) x+3/4=(5/2)^2` `b)|x-1|=4`

2024-12-22 02:59:19

Câu `1:` `a)` $\sqrt{16}$ `.` $\sqrt{9}$ `-1/2.`$\sqrt{256}$ `b) 3.|-2| - 1/2 .|-2/5| Câu `2:` `a) x+3/4=(5/2)^2` `b)|x-1|=4`

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