#
绮惧搧鏈熸湯妯℃嫙璇曢
#
鑻忔暀
鐗堜節骞?/p>
绾т笂瀛︽湡
鏈熸湯
妯℃嫙
鑰?/p>
璇?/p>
鏁板璇曢
涓�銆?/p>
閫夋嫨棰?/p>
锛堟湰澶?/p>
棰?/p>
鍏辨湁
10
灏?/p>
棰?/p>
锛屾瘡灏?/p>
棰?/p>
3
鍒嗭紝鍏?/p>
30
鍒嗭紝鍦ㄦ瘡灏?/p>
棰?/p>
鎵�
缁?/p>
鍑虹殑鍥?/p>
涓�夐」
涓紝鍙湁涓�
椤?/p>
鏄纭殑锛?/p>
璇?/p>
鎶婃纭?/p>
閫夐」
鍓嶇殑瀛楁瘝浠?/p>
鍙峰～
鍦?/p>
棰?/p>
鍚庣殑鎷?/p>
鍙峰唴
锛?/p>
锛?/p>
1
锛庝笅鍒楁柟绋嬫槸涓�鍏冧簩娆℃柟绋嬬殑鏄紙
锛?/p>
A
锛?/p>
x
2
锕?/p>
6x+2
B
锛?/p>
2x
2
锕?/p>
y+1=0 C
锛?/p>
5x
2
=0
D
锛?
+x=2
2
锛庢姏鐗?/p>
绾?/p>
y=2x
2
濡備綍骞崇Щ鍙緱鍒版姏鐗?/p>
绾?/p>
y=2
锛?/p>
x
锕?/p>
3
锛?/p>
2
锕?/p>
4
锛?/p>
锛?/p>
A
锛庡悜宸﹀钩绉?/p>
3
涓崟
浣嶏紝鍐嶅悜涓婂钩绉?/p>
4
涓崟
浣?/p>
B
锛庡悜宸﹀钩绉?/p>
3
涓崟
浣嶏紝鍐嶅悜涓嬪钩绉?/p>
4
涓崟
浣?/p>
C
锛庡悜鍙冲钩绉?/p>
3
涓崟
浣嶏紝鍐嶅悜涓婂钩绉?/p>
4
涓崟
浣?/p>
D
锛庡悜鍙冲钩绉?/p>
3
涓崟
浣嶏紝鍐嶅悜涓嬪钩绉?/p>
4
涓崟
浣?/p>
3
锛庡
鍥?/p>
锛岀敤涓�
涓?/p>
鍗?/p>
寰勪负
30cm
锛岄潰
绉负
300蟺cm
2
鐨勬墖褰?/p>
閾?/p>
鐨紝鍒朵綔涓�
涓?/p>
鏃犲簳鐨?/p>
鍦嗛敟
锛堜笉
璁℃崯
鑰楋級
锛?/p>
鍒欏渾閿?/p>
鐨勫簳闈㈠崐
寰?/p>
r
涓?/p>
锛?/p>
锛?/p>
A
锛?/p>
5cm B
锛?/p>
10cm
C
锛?/p>
20cm
D
锛?蟺cm