SATWf֪RcһҪᘌSATWǷdzЎСռPSATWij֪RcH҅
1. oPϵʽ/ʽֵ
}if n=3, and 2n + 1 = bb
2. ֔ռ}ijһֵ
3. ͨ^ƽ߅߅ƽоȣǶLe
4. ż|(factor)
5. ƽgׂĺ/ƽֵ/eij
6. ֵֵܵСֵ
7. ֱa2+b2=c2;һ|Ŀ죺߅>߅߅<߅߅
8. І}ȲȱȣԶxУijһֵ헲ֵ
(1). Ȳ:ͨ헹ʽan=a1+(n-1)d;ǰn헺Sn=na1+n(n-1)d/2
(2). ȱȔУͨ헹ʽan=a1×q(n-1)
9. ֱбʣؾcx
(1). ֱƽУk1= k2b1 = b2
(2). ֱֱk1× k2 = -1
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6.SATWԇ俼c
7.SATWȫ
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