1
澶嶄範涓撻
璇?/p>
棰?/p>
澶嶄範涓撻锛?/p>
1
锛?/p>
璇?/p>
鍨?/p>
浜掑姩璇?/p>
璇炬椂
绗?/p>
1
璇炬椂
鏁欏鐩爣
鐭ヨ瘑涓庢妧鑳斤細璐ㄩ噺瀹堟亽瀹氬緥鐨勫簲鐢?/p>
杩囩▼涓庢柟娉曪細鍩瑰吇瀛︾敓鐨勫棰樿兘鍔涖�佸垎鏋愰棶棰樺拰瑙ｅ喅闂鐨勮兘鍔涖�?/p>
鎯呮劅鎬佸害浠峰�艰锛氬煿鍏诲鐢熷浠ヨ嚧鐢ㄣ�佽仈绯诲疄闄呯殑瀛﹂锛屽悓鏃跺煿鍏诲鐢熻璇?/p>
鍒板畾鎬у拰瀹氶噺鐮旂┒鐗╄川鍙婂叾鍙樺寲瑙勫緥鏄浉杈呯浉鎴愩�佽川鍜岄噺鏄鲸璇佺粺涓�鐨勮鐐广�?/p>
鏁欏閲嶇偣
璐ㄩ噺瀹堟亽瀹氬緥鐨勫簲鐢?/p>
鏁欏闅剧偣
鍒嗘瀽闂
璇惧墠鍑嗗
澶嶄範璐ㄩ噺瀹堟亽瀹氬緥鐨勭浉鍏崇煡璇?/p>
鍏镐緥璧忔瀽
渚?/p>
1
銆?/p>
鍦ㄥ弽搴?/p>
A+B=2C
涓?/p>
,
鑻?/p>
agA
涓?/p>
b
gB
鎭板ソ瀹屽叏鍙嶅簲锛屽垯鐢熸垚
C
璐ㄩ噺鏄紙
锛?/p>
A
锛?/p>
(a+b) g B
锛?/p>
2(a+b) g C
锛?
1
2
(a+b) g D
锛?/p>
cg
渚?/p>
2
銆?/p>
鍦ㄥ弽搴?/p>
2A+5B
锛?/p>
2C+4D
涓紝
C
銆?/p>
D
鐨勭浉瀵瑰垎瀛愯川閲?/p>
涔嬫瘮涓?/p>
9
锛?/p>
22
銆傝嫢
2.6
gA
涓?/p>
B
瀹?/p>
鍏ㄥ弽搴斿悗锛岀敓鎴?/p>
8.8 gD
銆傚垯鍦ㄦ鍙嶅簲涓紝
B
涓?/p>
D
鐨勮川閲忔瘮涓猴紙
锛?/p>
A
锛?/p>
4
锛?/p>
9 B
锛?/p>
8
锛?/p>
11 C
锛?/p>
10
锛?/p>
11 D
锛?/p>
31
锛?/p>
44
渚?/p>
3
銆佸湪涓�瀹氭潯浠朵笅锛岀敳銆佷箼銆佷笝銆佷竵鍥涚鐗╄川鍦ㄤ竴瀵嗛棴瀹瑰櫒涓厖鍒嗗弽搴旓紝娴嬪緱鍙嶅簲鍓?/p>
鍚庡悇鐗╄川鐨勮川閲忓涓嬭〃鎵�绀恒�傚叧浜庢鍙嶅簲涓嬪垪璁よ瘑涓嶆纭殑鏄紙
锛?/p>
A. m
鐨勫�兼槸
1 B.
鐢插彲鑳芥槸璇ュ弽搴旂殑鍌寲鍓?/p>
C.
璇ュ弽搴旀槸鍒嗚В鍙嶅簲
D.
鍙嶅簲涓箼銆佷竵鐨勮川閲忔瘮鏄?/p>
29:8
璇惧爞璁粌
1
銆?/p>
m g
纭拰
n g
姘ф皵鍦ㄥ瘑闂鍣ㄤ腑鍏呭垎鐕冪儳鍚庯紝鐢熸垚鐨勪簩姘у寲纭殑璐ㄩ噺鏄?/p>
( )
A.
绛変簬
(m+n)g B
锛庡ぇ浜?/p>
(m+n)g
C
锛庡皬浜庢垨绛変簬
(m+n)g D
锛庝笂杩颁笁绉嶆儏鍐甸兘鏈夊彲鑳?/p>
2
銆佸湪鍖栧鍙嶅簲
A+2B=3C+D
涓?/p>
,6gA
鍜?/p>
8gB
鎭板ソ瀹屽叏鍙嶅簲
,
鐢熸垚
9gD.
鑻ュ弽搴旂敓
鎴?/p>
15gC,
鍒?/p>
鍙傚姞鍙嶅簲鐨?/p>
B
鐨勮川閲忎负
( )
A.8g B.12g C.16g D.24g
3
銆佸湪涓�涓瘑闂鍣ㄥ唴鏈?/p>
A
銆?/p>
B
銆?/p>
C
銆?/p>
D
鍥涚鐗╄川锛屽湪涓�瀹氭潯
浠朵笅鍏呭垎鍙嶅簲锛屾祴寰楀弽搴斿墠鍚?/p>
鍚勭墿璐ㄧ殑璐ㄩ噺濡備笅锛?/p>
鐗╄川
A
B
C
D
鍙嶅簲鍓嶈川閲?/p>
/g
4
6
111
4
鐗╄川
鐢?/p>
涔?/p>
涓?/p>
涓?/p>
鍙嶅簲鍓嶈川閲忥紡
g
1
20
15
2
鍙嶅簲鍚庤川閲忥紡
g
m
29
0
8