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пW(wng)
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݌ пָ 2024T(mn)пYӍ пɿ(j)ԃ(xn) vп֔(xin) п־Ը 2019пӛ п}𰸴ȫ vпĴȫ (y)
Fڵλãп > п俼 > п > пW(xu) >

2019пW(xu)ʽc(din)Y

(li)ԴW(wng)j(lu )YԴ ߣпW(wng) 2019-05-01 19:36:18

п}

܃

W(xu)һ(g)ѭh(hun)͵^(gu) С2019 c(din)YԹ҅

2019W(xu)ʽc(din)Y

һɶ

1ɶ ֱ ֱ߅abƽб߅cƽa^2+b^2=c^2

2ɶ涨 ε߅L(chng)abcP(gun)ϵa^2+b^2=c^2 ô@(g)ֱ

 |(zh)

3 ߅εăȽǺ͵360° 49߅εǺ͵360°

4߅΃ȽǺͶn߅εăȽǵĺ͵(n-2)×180°

5Փ ߅Ǻ͵360°



6ƽ߅|(zh)1 ƽ߅εČ

7ƽ߅|(zh)2 ƽ߅εČ߅

8Փ Aڃɗlƽо(xin)gƽо(xin)

9ƽ߅|(zh)3 ƽ߅εČǾ(xin)ƽ

10ƽ߅ж1 ɽMǷքeȵ߅ƽ߅

11ƽ߅ж2 ɽM߅քeȵ߅ƽ߅

12ƽ߅ж3 Ǿ(xin)ƽֵ߅ƽ߅

13ƽ߅ж4 һM߅ƽȵ߅ƽ߅



14|(zh)1 εĂ(g)Ƕֱ

15|(zh)2 εČǾ(xin)

16ж1 (g)ֱǵ߅Ǿ

17ж2 Ǿ(xin)ȵƽ߅Ǿ



18|(zh)1 εėl߅

19|(zh)2 εČǾ(xin)ഹֱÿһlǾ(xin)ƽһM

20e=Ǿ(xin)˷eһS=(a×b)÷2

21ж1 ߅ȵ

22ж2 Ǿ(xin)ഹֱ



23|(zh)1 εĂ(g)Ƕֱėl߅

24|(zh)2εăɗlǾ(xin)һഹֱƽÿlǾ(xin)ƽһM



251 P(gun)ČQ(chng)ăɂ(g)Dȫȵ

262 P(gun)ČQ(chng)ăɂ(g)DQ(chng)c(din)B(xin)(jng)^(gu)Q(chng)ұQ(chng)ƽ

27涨 ɂ(g)DεČc(din)B(xin)(jng)^(gu)ijһc(din)ұ@һ c(din)ƽô@ɂ(g)DP(gun)@һc(din)Q(chng)

28|(zh) ͬһϵăɂ(g)

29εăɗlǾ(xin)

30ж ͬһϵăɂ(g)ȵǵ

31Ǿ(xin)ȵǵ

32ƽо(xin)ȷ־(xin)ζ һMƽо(xin)һlֱ(xin)Ͻصõľ(xin) ôֱ(xin)Ͻصõľ(xin)Ҳ

33Փ1 (jng)^(gu)һc(din)cƽеֱ(xin)ƽһ

34Փ2 (jng)^(gu) һ߅c(din)cһ߅ƽеֱ(xin)ƽֵ ߅

35 λ(xin) ελ(xin)ƽڵ߅ҵ һ

36 λ(xin) ελ(xin)ƽڃɵҵڃɵ׺͵ һL=(a+b)÷2 S=L×h

gӭʹ֙CƽƄ(dng)OL(fng)(wn)пW(wng)2023пһ·ͬ>>c(din)鿴

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