鈥?/p>
涓�绾夸笁鐩磋鍨?/p>
鈥?/p>
鐩镐技涓撻澶嶄範
銆愭椿鍔ㄤ竴銆?/p>
涓�绾夸笁鐩磋鍨嬬浉浼煎熀鏈浘褰?/p>
1:
鏉′欢锛?/p>
B
锛?/p>
C
锛?/p>
E
涓夌偣鍏辩嚎
,
鈭?/p>
B=
鈭?/p>
ACD=
鈭?/p>
E=90
掳
缁撹锛?/p>
鈻?/p>
ABC
鈭解柍
CED
銆愬簲鐢ㄣ�?/p>
1
锛庡鍥撅紝宸茬煡鐐?/p>
A
锛?/p>
0
锛?/p>
4
锛?/p>
銆?/p>
B
锛?/p>
4
锛?/p>
1
锛?/p>
锛?/p>
BC
鈯?/p>
x
杞翠簬鐐?/p>
C
锛岀偣
P
涓虹嚎娈?/p>
OC
涓婁竴鐐癸紝涓?/p>
PA
鈯?/p>
PB
锛庡垯鐐?/p>
P
鐨勫潗鏍囦负
2
锛庡鍥撅紝鍦ㄦ褰?/p>
ABCD
涓紝宸茬煡
AD
鈭?/p>
BC
锛屸垹
B=90掳
锛?/p>
AB=7
锛?/p>
AD=9
锛?/p>
BC=12
锛屽湪绾挎
BC
涓婁换鍙栦竴鐐?/p>
E
锛岃繛鎺?/p>
DE
锛屼綔
EF
鈯?/p>
DE
锛屼氦鐩寸嚎
AB
浜庣偣
F
锛?/p>
锛?/p>
1
锛夎嫢鐐?/p>
F
涓?/p>
B
閲嶅悎锛屾眰
CE
鐨勯暱锛?/p>
锛?/p>
2
锛夎嫢鐐?/p>
F
鍦ㄧ嚎娈?/p>
AB
涓婏紝涓?/p>
AF=CE
锛屾眰
CE
鐨勯暱锛?/p>
A
B
C
D
E