涓�
.
鍒嗘瀽濡傚浘
1
鎵�绀轰綋绯荤殑鍑犱綍缁勬垚
.
鏈
5
鍒嗭紝涓庣浜岀珷鍐呭瀵瑰簲锛岃姹傛湁鍒嗘瀽杩囩▼銆?/p>
鍥?/p>
1
鍒嗘瀽锛氳
AC
銆?/p>
CE
銆佸湴鍩哄垎鍒负涓変釜鍒氱墖锛?/p>
BF
銆?/p>
DF
瑙嗕负閾炬潌锛?/p>
鍒欙紝鍒氱墖
AC
閫氳繃铏氶摪
M
涓庡湴鍩虹浉杩烇紝鍒氱墖
CE
閫氳繃铏氶摪
N
涓庡湴鍩虹浉杩烇紱
浜庢槸锛屼笁涓垰鐗囩敱閾?/p>
M
銆?/p>
C
銆?/p>
N
閾炬帴锛屼笖
M
銆?/p>
C
銆?/p>
N
涓夐摪涓嶅叡绾匡紝缁勬垚娌℃湁澶氫綑绾︽潫鐨勫嚑浣曚笉鍙?/p>
浣撱�?/p>
浜?/p>
.
姹傚鍥?/p>
2
鎵�绀哄嚑浣曚綋绯荤殑璁＄畻鑷敱搴?/p>
W
.
鏈
5
鍒嗭紝
涓庣浜岀珷鍐呭瀵瑰簲锛?/p>
瑕佹眰鏈夎绠楄繃绋嬨�?/p>
鍥?/p>
2
瑙ｏ細
W=3m-(2h+3g+r)
鍏朵腑锛岄挗鐗囨暟鐩?/p>
m=7
锛屽崟閾颁釜鏁?/p>
h=9
锛?/p>
D
銆?/p>
E
涓?/p>
3
涓垰鐗囩殑澶嶉摪鑺傜偣锛屽潎璁′负
2
锛?/p>
锛岄摼鏉嗕釜鏁?/p>
r=3
锛?/p>
A
閾扮害鏉熻涓?/p>
2
锛?/p>
B
涓?/p>
1
锛?/p>
锛屽崟鍒氳妭鐐?/p>
g=0
锛?/p>
鎵�浠ワ紝鑷敱搴?/p>
W=3*7-(2*9+0+3)=0
銆?/p>
A
B
C
D
E
F
H
N
M