4分之13倍根號2加2倍根號2加1分之1
- 2022-04-03
13√2/4+(2√2-1)/(2√2+1)(2√2-1)
=13√2/4+(2√2-1)/(8-1)
=13√2/4+(2√2-1)//7
=(13/4+2/7)√2-1/7
=(99√2-4)/28
4分之13倍根號2加2倍根號2加1分之1
=(13√2)/4 +1/(2√2+1)
=(13√2)/4 +(2√2-1)/(2√2+1)(2√2-1)
=(99√2-4)/28
根號13
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