鍏畨甯傛眰瀛︽暀鑲?/p>
2.4
鍐嶆帰瀹為檯闂涓庝竴鍏冧竴娆℃柟绋?/p>
5
鍒嗛挓璁粌
(
棰勪範绫昏缁冿紝鍙敤浜庤鍓?/p>
)
1.
鏌愪汉浠?/p>
8
鎶樼殑浼樻儬浠蜂拱浜?/p>
涓�濂楁湇瑁呯渷浜?/p>
25
鍏冿紝閭ｄ箞涔拌繖濂楁湇瑁呭疄闄呯敤浜嗭紙
锛?/p>
A.31.25 B.6
0 C.125 D.100
鎬濊矾瑙ｆ瀽锛?/p>
璁捐繖濂楁湇瑁呭師浠蜂负
x
鍏冿紝鍒?/p>
x-0.8x=25
锛岃В寰?/p>
x=125.
鎵�浠ュ疄闄呯敤浜?/p>
125-25=100
鍏?/p>
.
绛旀
:
D
2.
涓�涓晢搴楁妸褰╃數鎸夋爣浠风殑涔濇姌鍑哄敭锛屼粛鍙幏鍒?/p>
20%
锛岃嫢璇ュ僵鐢电殑杩涗环鏄?/p>
2
400
鍏冿紝鍒欏僵鐢?/p>
鏍囦环鏄紙
锛?/p>
A.3 200
鍏?/p>
B.3 429
鍏?/p>
C.2 667
鍏?/p>
D.3 168
鍏?/p>
鎬濊矾瑙ｆ瀽锛?/p>
璁炬爣浠蜂负
x
锛屾牴鎹鎰忔湁
0.9x=(1+0.2)
脳
2 400
锛岃В寰?/p>
x=3 200.
绛旀
:
A
3.
鐞冮槦璁粌鐢ㄧ殑瓒崇悆鏄敱
32
鍧楅粦鐧界浉闂寸殑鐗涚毊缂濆埗鑰屾垚鐨勶紝鍏?/p>
涓粦鐨彲鐪嬩綔姝ｄ簲杈瑰舰锛岀櫧
鐨彲鐪嬩綔姝ｅ叚杈瑰舰锛岄粦銆佺櫧鐨潡鐨勬暟鐩瘮涓?/p>
3
鈭?/p>
5
锛岃姹傚嚭榛戠毊銆佺櫧鐨殑鍧楁暟锛岃嫢璁鹃粦鐨殑
鍧楁暟涓?/p>
x
锛屽垯鍒楀嚭鐨勬柟绋嬫纭殑鏄紙
锛?/p>
A.3x=32
锛?/p>
x B.3x=5(32
锛?/p>
x) C.5x=3(32
锛?/p>
x) D.6x=32
锛?/p>
x
鎬濊矾瑙ｆ瀽锛?/p>
鍥犱负榛戙�佺櫧鐨潡鐨勬暟鐩瘮涓?/p>
3
鈭?/p>
5
锛岃嫢璁鹃粦鐨殑鍧楁暟涓?/p>
x
锛屽垯鐧界毊鍧楁暟涓?/p>
32-x
锛?/p>
鐢辨寰楁柟绋嬩负
5x=3(32-x).
绛旀
:
C
10
鍒嗛挓璁粌
(
寮哄寲绫昏缁冿紝鍙敤浜庤涓?/p>
)[
鏉ユ簮
:
瀛?/p>
#
绉?/p>
#
缃?/p>
]
1.
鎴戝浗鏀垮簻涓鸿В鍐宠�佺櫨濮撶湅鐥呴毦锛屽喅瀹氫笅璋冭嵂鍝佷环鏍硷紝鏌愮鑽搧鍦?/p>
2003
骞存定浠?/p>
30%
鍚庯紝骞?/p>
闄嶄环
70%
璋冭嚦
a
鍏冿紝鍒欒繖绉嶈嵂鍝佸湪
2003
骞存定浠峰墠鐨勪环鏍间负锛?/p>
锛?/p>
A.
100
39
a
鍏?/p>
B.
39
100
a
鍏?/p>
C.a
锛?/p>
1
锛?/p>
40%
锛夊厓
D.
1
40%
a
飥?/p>
鍏?/p>
鎬濊矾瑙ｆ瀽锛?/p>
璁惧湪
2003
骞存定浠峰墠鐨勪环鏍间负
x
鍏冿紝鍒欐湁
(1+0.3)(1-0.7)x=a
锛岃В寰?/p>
x=
100
39
a.
绛旀
:
A
2.
鏌愬尯涓鐢熻冻鐞冭禌鍏辫禌
8
杞紙鍗虫瘡闃熷潎闇�鍙傝禌
8
鍦猴級
锛岃儨涓�鍦哄緱
3
鍒嗭紝骞充竴鍦哄緱
1
鍒嗭紝璐?/p>
涓�鍦哄緱
0
鍒?/p>
.
鍦ㄨ繖娆¤冻鐞冭仈璧涗腑锛?/p>
鐚涜檸闃熻涪骞崇殑鍦烘暟鏄墍璐熷満鏁扮殑
2
鍊嶏紝
鍏卞緱
17
鍒嗭紝
璇ラ槦鍏?/p>
鑳滃灏戝満锛?/p>
鎬濊矾瑙ｆ瀽锛?/p>
棣栧厛瑕佸埄鐢ㄤ竴涓湭鐭ユ暟锛岃〃绀鸿儨銆佽礋銆佸钩鐨勫満鏁帮紝鍐嶅埄鐢ㄦ�诲垎鍒楀嚭鏂圭▼
.
瑙ｏ細
璁捐涪鎴愯礋鐨勫満鏁版槸
x
锛屽垯韪㈠钩鐨勫満鏁版槸
2x
锛岃涪鑳滅殑鍦烘暟鏄?/p>
8-x-2x=8-3x
锛屽垯鏈?/p>
2x+3(8-3x)=17
锛岃В寰?/p>
x=1.
鎵�浠ヨ涪鑳滅殑鍦烘暟涓?/p>
8
-3=5
鍦?/p>
.
3.
涓�浠跺す鍏嬶紝鎸夋垚鏈姞
5
鎴愪綔涓哄敭浠凤紝鍚庡洜瀛ｈ妭鍏崇郴锛屾寜鍞环鐨?/p>
8
鎶樺嚭鍞紝闄嶄环鍚庢瘡浠跺崠
60
鍏冿紝闂繖鎵瑰す鍏嬫瘡浠舵垚鏈槸澶氬皯鍏?/p>
.
闄嶄环鍚庢瘡浠舵槸璧旇繕鏄禋锛岃禂鎴栬禋澶氬皯鍏冿紵
(
鐢熸椿涓
澶勬湁鏁板锛屾垜浠簲褰撳杽浜庣敤鏁板鐨勭溂鍏夊幓鐪嬩笘鐣岋紝鐢ㄦ暟瀛︾殑鏂规硶鍘诲垎鏋愬拰瑙ｅ喅闂
)
鎬濊矾瑙ｆ瀽锛?/p>
鍒楄〃锛?/p>
涓�浠跺す鍏嬫垚鏈?/p>
闄嶄环鍓嶄竴浠跺す鍏嬪敭浠?/p>
闄嶄环鍚庝竴浠跺す鍏嬪敭浠?/p>
x
鍏?/p>
(1+50%)x
鍏?/p>
(1+50%)
脳
80%x
鍏?/p>
瑙?/p>
锛?/p>
璁句竴浠跺す鍏嬬殑
鎴愭湰涓?/p>
x
鍏?/p>
锛屾牴鎹鎰?/p>
鏈?/p>
(1
锛?/p>
50%)x
脳
80%=60
锛岃В寰?/p>
x=50.
鎵�浠?/p>
60-x=60-50=10(
鍏?/p>
).
绛?/p>
:
涓�浠跺す鍏嬬殑鎴愭湰涓?/p>
50
鍏冿紝闄嶄环鍚庢瘡浠朵粛鍙禋
10
鍏?/p>
.
4.
鍟嗗満鍑哄敭鐨?/p>
A
鍨嬪啺绠辨瘡鍙板敭浠?/p>
2
190
鍏冿紝姣忔棩鑰楃數閲忎负
1
搴︼紝鑰?/p>
B
鍨嬭妭鑳藉啺绠辨瘡鍙板敭浠疯櫧