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Clearnote
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Senior High
Mathematics
第8 10題如何解?
Mathematics
Senior High
10 monthsago
丞Weeeeee~~
第8 10題如何解?
8. 設 a,b為有理數,若 3-√5 // +9 +6=0 2 為方程式x2+ax+b=0的其中一個解,則a+b=【 a+b= -IX √3-15 W) 4 82+130 一個 4 9.已知21=9且567"=81,則- 211567 (2元虑 9元=21 (567x5-81-567 2 16 之值為【 xy 52-4 48 = 567 双7 9 10.設a>0,則2a+一的最小值為【 9. 8a 567 27x7 : 16-29-5=4 16 209 15 a+ TA 49 2491 a = 169 169 ×6 15 a+7 = 3 29 】。 (217)虍=(3)克 = 3=-2 10/位數。 11.已知 log2=0.3010,若231-1是質數,則此質數是【 10 301 入31 ~301 903 (12.3010131 9.331 = 9+1=10 -
第8 10題怎麼解
Answers
Xinnn Cennn🩵🤍
10 monthsago
第十題如下
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Xinnn Cennn🩵🤍
10 monthsago
第八題如下
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