2018
骞翠腑鑰冩暟瀛︿竴妯¤瘯鍗凤紙宸ㄩ噹鍘挎湁绛旀鍜岃В閲婏級
5 c
涓滅渷鑿忔辰甯傚法閲庡幙
1)=5n+1
13
銆愮瓟妗堛�?/p>
2
銆愯�冪偣銆戜笁瑙掑舰鐨勯潰绉紝涓績瀵圭О鍙婁腑蹇冨绉板浘褰?/p>
銆愯В鏋愩�?/p>
銆愯В绛斻�戣В杩?/p>
Ac
锛屽鍥撅紝
鈭礎B鈯c锛?/p>
AB=Bc=2c
锛?/p>
鈭粹柍ABc
涓虹瓑鑵扮洿瑙掍笁瑙掑舰锛?/p>
鍙堚埖 涓?/p>
鍏充簬鐐逛腑蹇冨绉帮紝
鈭碅=c锛屽姬
A=
寮?/p>
c
锛?/p>
鈭村紦褰?/p>
A
鐨勯潰绉?/p>
=
寮撳舰
c
鐨勯潰绉紝
鈭碅B銆?/p>
Bc
銆?/p>
銆?/p>
鎵�鍥存垚鐨勫浘褰㈢殑闈㈢Н
=
涓夎褰?/p>
ABc
鐨勯潰绉?
脳2脳2=2
锛?/p>
c2
锛?/p>
锛?/p>
鏁呯瓟妗堜负
2
锛?/p>
銆愬垎鏋愩�戦�氳繃鍓茶ˉ锛屽紦褰?/p>
A
鐨勯潰绉?/p>
=
寮撳舰
c
鐨勯潰绉紝
AB
銆?/p>
Bc
銆?/p>
寮?/p>
c
銆?/p>
寮?/p>
A
鎵�鍥存垚鐨勫浘褰㈤潰绉氨杞寲涓轰笁瑙掑舰
ABc
鐨勯潰绉?/p>
=2c2
14
銆愮瓟妗堛�?/p>
5
銆愯�冪偣銆戠瓑鑵颁笁瑙掑舰鐨勫垽瀹氫笌鎬ц川
銆愯В鏋愩�?/p>
銆愯В绛斻�戣В鈭礎B=Ac锛?/p>
鈭粹柍ABc
鏄瓑鑵颁笁瑙掑舰锛?/p>
鈭礎B=Ac锛屸垹A=36掳锛?/p>
鈭粹垹ABc=鈭燾=72掳锛?/p>
鈭礏D
鏄柍ABc
鐨勮骞冲垎绾匡紝
鈭粹垹ABD=鈭燚Bc= 鈭燗Bc=36掳锛?/p>
鈭粹垹A=鈭燗BD=36掳锛?/p>
鈭碆D=AD锛?/p>
鈭粹柍ABD
鏄瓑鑵颁笁瑙掑舰锛?/p>
鍦?/p>
鈻矪cD
涓?/p>
锛?/p>
鈭碘垹BDc=180掳
锕?/p>
鈭燚Bc
锕?/p>
鈭燾=180掳
锕?/p>
36掳
锕?