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`1)B = 2sqrt(2) + sqrt((sqrt(8) - 3)^2)`
`B = 2sqrt(2) + |sqrt(8) - 3|`
`B = 2sqrt(2) + (3 - sqrt(8))` `(`vì `sqrt(8) < 3)`
`B = 2sqrt(2) + 3 - 2sqrt(2)`
`B = 3`
`2)B = sqrt((sqrt(7) - 4)^2) + sqrt(7)`
`B = |sqrt(7) - 4| + sqrt(7)`
`B = 4 - sqrt(7) + sqrt(7)` `(`vì `sqrt(7) < 4)`
`B = 4`
`3)B = sqrt((sqrt(3) - 3)^2) + sqrt(4 - 2sqrt(3))`
`B = |sqrt(3) - 3| + sqrt((sqrt(3) - 1)^2)`
`B = (3 - sqrt(3)) + |sqrt(3) - 1|`
`B = 3 - sqrt(3) + sqrt(3) - 1`
`B = 2`
`4)B = sqrt(3 + 2sqrt(2)) + sqrt((sqrt(2) - 2)^2)`
`B = sqrt((sqrt(2) + 1)^2) + |sqrt(2) - 2|`
`B = |sqrt(2) + 1| + (2 - sqrt(2))` (vì `sqrt(2) < 2)`
`B = sqrt(2) + 1 + 2 - sqrt(2)`
`B = 3`
`5)B = sqrt(6 - 2sqrt(5)) + sqrt((2 + sqrt(5))^2)`
`B = sqrt((sqrt(5) - 1)^2) + |2 + sqrt(5)|`
`B = |sqrt(5) - 1| + 2 + sqrt(5)`
`B = sqrt(5) - 1 + 2 + sqrt(5)`
`B = 1 + 2sqrt(5)`
`6)B = sqrt((4 - 3sqrt(2))^2) - sqrt(11 + 6sqrt(2))`
`B = |4 - 3sqrt(2)| - sqrt((3 + sqrt(2))^2)`
`B = (3sqrt(2) - 4) - |3 + sqrt(2)|` `(`vì `4 = sqrt(16) < 3sqrt(2) = sqrt(18))`
`B = 3sqrt(2) - 4 - (3 + sqrt(2))`
`B = 3sqrt(2) - 4 - 3 - sqrt(2)`
`B = 2sqrt(2) - 7`
`7)B = (1 - sqrt(3))^2 - sqrt(4 - 2sqrt(3)) + 3sqrt(3)`
`B = (1 - 2sqrt(3) + 3) - sqrt((sqrt(3) - 1)^2) + 3sqrt(3)`
`B = 4 - 2sqrt(3) - |sqrt(3) - 1| + 3sqrt(3)`
`B = 4 - 2sqrt(3) - (sqrt(3) - 1) + 3sqrt(3)`
`B = 4 - 2sqrt(3) - sqrt(3) + 1 + 3sqrt(3)`
`B = 5`
`8)B = sqrt((sqrt(3) - 2)^2) + sqrt(19 + 8sqrt(3))`
`B = |sqrt(3) - 2| + sqrt((4 + sqrt(3))^2)`
`B = (2 - sqrt(3)) + |4 + sqrt(3)|` `(`vì `sqrt(3) < 2)`
`B = 2 - sqrt(3) + 4 + sqrt(3)`
`B = 6`
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`1) B = 2\sqrt{2} + \sqrt{(\sqrt{8}-3)^2}`
`B = 2\sqrt{2} + | \sqrt{8} - 3 |`
`B = 2\sqrt{2} + 3 - 2\sqrt{2}`
`B = 3`
`2) B = \sqrt{(\sqrt{7}-4)^2} + \sqrt{7}`
`B = | \sqrt{7} - 4 | + \sqrt{7}`
`B = 4 - \sqrt{7} + \sqrt{7}`
`B = 4`
`3) B = \sqrt{(\sqrt{3}-3)^2} + \sqrt{4 - 2\sqrt{3}}`
`B = | \sqrt{3} - 3 | + \sqrt{3 - 2\sqrt{3} + 1}`
`B = 3 - \sqrt{3} + \sqrt{(\sqrt{3}-1)^2}`
`B = 3 - \sqrt{3} + \sqrt{3} - 1`
`B = 2`
`4) B = \sqrt{3 + 2\sqrt{2}} + \sqrt{(\sqrt{2}-2)^2}`
`B = \sqrt{2 + 2\sqrt{2} + 1} + | \sqrt{2} - 2 |`
`B = \sqrt{(\sqrt{2}+1)^2} + 2 - \sqrt{2}`
`B = \sqrt{2} + 1 + 2 - \sqrt{2}`
`B = 3`
`5) B = \sqrt{6 - 2\sqrt{5}} + \sqrt{( 2 + \sqrt{5})^2}`
`B = \sqrt{5 - 2\sqrt{5} + 1} + 2 + \sqrt{5}`
`B = \sqrt{(\sqrt{5}-1)^2} + 2 + \sqrt{5}`
`B = \sqrt{5} - 1 + 2 + \sqrt{5}`
`B = 2\sqrt{5} + 1`
`6) B = \sqrt{( 4 - 3\sqrt{2})^2} - \sqrt{11 + 6\sqrt{2}}`
`B = | 4 - 3\sqrt{2} | - \sqrt{9 + 2 . 3\sqrt{2} +2} `
`B = 3\sqrt{2} - 4 - \sqrt{( 3 + \sqrt{2})^2}`
`B = 3\sqrt{2} - 4 - 3 - \sqrt{2}`
`B = 2\sqrt{2} - 7`
`7) B = ( 1 - \sqrt{3} )^2 - \sqrt{4 - 2\sqrt{3}} + 3\sqrt{3}`
`B = 4 - 2\sqrt{3} - \sqrt{3 - 2\sqrt{3} + 1} + 3\sqrt{3}`
`B = 4 + \sqrt{3} - \sqrt{( \sqrt{3}-1)^2}`
`B = 4 + \sqrt{3} - \sqrt{3} + 1`
`B = 5`
`8) B = \sqrt{(\sqrt{3}-2)^2} + \sqrt{19 + 8\sqrt{3}}`
`B = | \sqrt{3} - 2 | + \sqrt{16 + 2 . 4\sqrt{3} + 3}`
`B = 2 - \sqrt{3} + \sqrt{( 4 + \sqrt{3})^2}`
`B = 2 - \sqrt{3} + 4 + \sqrt{3}`
`B = 6`
Hãy giúp mọi người biết câu trả lời này thế nào?
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