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2009-11-27T11:21:24+01:00
A) √2+√2+√2+√2+√2+√2+√4 = 6√2 + 2
b) √3*√3*√3*√3*√3*√3*√9 = 27 * 3 = 81
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2009-11-27T11:23:31+01:00
A) √2+√2+√2+√2+√2+√2+√4 = 6 √2 + 2

b) √3*√3*√3*√3*√3*√3*√9 = (√3)⁶× √9 = 27 x √9 = 27 x 3= 81
2009-11-27T11:28:57+01:00
A) √2+√2+√2+√2+√2+√2+√4 = 6√2 + 2
b) √3*√3*√3*√3*√3*√3*√9 = 81