Question

Can

後來是怎麼比大小的 倒數第二行 求解

81
3
7例A 368;367
1817.00 gols
(4+10)+(4-10)
10) SOCOL ogol = 0
= [(4 + V10 )+(4 - V10)] 10
x 10.01 ExS=O DEL
-[(4 + 10) -(4+V10)(4 - V10)+(4-V10)?]
= 8[(26+8V10)-6+ (26 – 8V10)] = 8 x 46 = 368
50<4-V10 <1 :: 0 < (4-V10) < 1
則 367 < (4+ (10) < 368, 得 n = 367