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Nguyễn Hoàng Thơ
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2022-09-19 15:38:36
( x+ 3/2)\(^4\) = 16
( x+ 3/2)\(^4\) = 2\(^4\)
x+ 3/2= 2
x= 2- 3/2
x= 1/2
2022-08-13 15:37:01
x= 25
2022-08-13 15:35:14
Chu vi HCN đó là 24 cm
2022-08-07 20:33:23
\(\sqrt{x+1}\) + \(\sqrt{x+6}\) = 5
\(\sqrt{\left(x+1\right)\left(x-1\right)}\) + \(\sqrt{\left(x+6\right)\left(x-6\right)}\) = 5
x - 1 + x - 6 = 5
2x - 7 = 5
x = 6
2022-08-03 15:36:58
2+ 2. 5 + 2. 9 +...+ 2. 97
= 2( 1+ 5+ 9+...+97)
= 2\([\) ( 97 +1) . 25 : 2\(]\)
= 2. 1225
= 2450
2022-08-03 15:20:41
2022-03-20 14:58:39
2022-03-20 14:58:09
2022-03-20 14:32:29
2022-03-20 14:32:29