銆?/p>
1
銆戜负鍑嗗鑻辫鍥涚骇鑰冭瘯锛屽皬鏄庝粠
5
鏈?/p>
1
鏃ュ紑濮嬭儗涓�鏈湁
900
涓崟璇嶇殑璇嶆眹涔︼紝璁″垝褰撴湀
鑳屽畬锛屽鏋滀粬瑕佹眰鑷繁姣忓ぉ鑳岀殑鍗曡瘝閮借姣斿墠涓�澶╁锛屽悓鏃舵瘡澶╂渶澶氳儗鍗曡瘝涓嶈秴杩?/p>
45
涓紝
閭ｄ箞浠?/p>
5
鏈?/p>
30
鏃ヨ繖涓�澶╄嚦灏戣鑳屽灏戜釜鍗曡瘝锛?/p>
A.42
B.43
C.44
D.45
銆愯В鏋愩�?/p>
棣栧厛瑕佹敞鎰?/p>
5
鏈堟湁
31
澶┿�?/p>
5
鏈?/p>
30
鑳屾渶灏戯紝
鍒欏叾浣欐棩鏈熻儗鏈�澶氾紝
5
鏈?/p>
31
鏃ユ渶澶?/p>
45
锛?/p>
鍒欏叾浣欐棩鏈熸寜绛夊樊鍒嗗竷銆?/p>
璁?/p>
5
鏈?/p>
30
鏃ヨ儗
x
涓紝鍒?/p>
5
鏈?/p>
1
鏃?/p>
-5
鏈?/p>
29
鏃ュ垎鍒儗
x-29
銆?/p>
x-28...x-1
涓�傚垯
5
鏈?/p>
1
鏃?/p>
-
5
鏈?/p>
30
鏃ュ崟璇嶄箣鍜屼负
30*
锛?/p>
x-14.5
锛?/p>
=30x-435=900-45=855
锛屽垯
x=
锛?/p>
855+435
锛?/p>
/30=43
銆?/p>
銆?/p>
2
銆戦噷绾﹀ゥ杩愪細寮�骞曞紡鐢佃鐩存挱鍦ㄧ敳銆?/p>
涔欍�佷笝涓変釜鍩庡競鐨勬敹瑙嗙巼鍒嗗埆涓?/p>
3.6%
銆?/p>
4.8%
銆?/p>
6.4%
锛?/p>
鍦ㄧ敳涔欎袱涓煄甯傜殑鎬绘敹瑙嗙巼涓?/p>
4.0%
锛屽凡鐭ヤ笝鍩庣數瑙嗚浼楁�讳汉鏁版槸鐢插煄鐨勪竴鍗婏紝闂紑骞曞紡鐢?/p>
瑙嗙洿鎾湪杩欎笁涓煄甯傜殑鎬绘敹瑙嗙巼鏄灏戯紵
A.5.6%
B.4.6%
C.4.5%
D.4.2%
銆愯В鏋愩�?/p>
3.6%
4.0%
4.8%
锛屽垯鐢蹭箼瑙備紬浜烘暟涔嬫瘮
=
锛?/p>
4.8-4
锛夛細锛?/p>
4-3.6
锛?/p>
=2:1
锛屼笝涓虹敳涓�
鍗?/p>
=1
锛屽垯鐢蹭箼锛氫笝
=3:1=
锛?/p>
6.4-x
锛夛細锛?/p>
x-4
锛?/p>
鍙煡鍜屼负
4
浠?/p>
=6.4-x+x-4=2.4
锛屽垯涓?/p>
=1
浠戒负
0.6=4.6-4
锛屽洜姝?/p>
x=4.6
銆?/p>
銆?/p>
3
銆戞煇浼佷笟鍏辨湁
120
鍚嶅憳宸ワ紝鐜版垚绔嬩笟浣欏叴瓒ｆ椿鍔ㄥ皬缁勶紝鎶ュ悕鍙傚姞缇芥瘺鐞冩椿鍔ㄧ殑鏈?/p>
58
浜猴紝
鎶ュ悕鍙傚姞姣界悆娲诲姩鐨勬湁
33
浜猴紝鎶ュ悕鍙傚姞寰掓琛岃蛋娲诲姩鐨勬湁
84
浜猴紝浠呮姤鍚嶅弬鍔犱袱椤规椿鍔ㄧ殑
浜烘暟鏄笁椤瑰叏閮ㄩ兘鍙傚姞鐨?/p>
6
鍊嶅锛屼笉鍙傚姞浠讳綍涓�椤规椿鍔ㄧ殑鏈?/p>
7
浜猴紝鍒欒嚦澶氭湁澶氬皯浜轰笁椤规椿
鍔ㄥ叏閮ㄩ兘鎶ュ悕鍙傚姞
:
A.5
B.6
C.7
D.8
銆愯В鏋愩�戝弬鍔犱笁椤圭殑
x
锛屽彧鍙傚姞涓ら」鐨?/p>
>6x
锛屽彲鐭ュ弬涓庝汉鏁?/p>
=58+33+84-
鍙弬鍔犱袱椤?/p>
-2*
鍙傚姞
涓夐」
=120-7<58+33+84-8x
鈫?/p>
x<62/8=31/4=7+
锛屽垯
x
鏈�澶у彇
7
銆?/p>
銆?/p>
4
銆戦噷绾﹀ゥ杩愪細瑕佽刀鍒朵竴鎵瑰悏绁ョ墿锛岀敳銆佷箼銆佷笝涓夊鍒堕�犲晢鍒嗗埆鐢?/p>
20
澶┿�?/p>
30
澶┿�?/p>
40
澶╁彲
鐙珛瀹屾垚銆傜幇鐢变笁瀹跺悎浣滅敓浜э紝鍚堜綔杩囩▼涓敳鍘傚晢鍙楃舰宸ュ奖鍝嶏紝姣忓紑宸ュ崐澶╁氨瑕佸仠宸ュ崐澶┿�?/p>
褰撲换鍔″畬鎴愭椂锛岀敳銆佷笝鎵�鐢熶骇鍚夌ゥ鐗╀箣鍜屾瘮涔欏
1200
涓�傞棶杩欐壒鍚夌ゥ鐗╁叡鏈夊灏戜釜锛?/p>
A.6000
B.7200
C.8400
D.9600
銆愯В鏋愩�戠敳寮�鍗婂ぉ鍋滃崐澶╋紝鐩稿綋浜庝袱澶╂墠鍋氫竴澶╃殑閲忥紝鏁堢巼鍑忓崐銆傝祴鍊兼�婚噺
120
锛岀敳鏁堢巼涓?/p>
6/2=3
锛屼箼鏁堢巼
4
锛屼笝鏁堢巼
3
銆傚伐浣滈噺涔嬫瘮
=
鏁堢巼姣?/p>
=3:4:3
锛岀敳涓?/p>
6
姣斾箼
4
澶?/p>
2
浠戒负
1200
锛?/p>
鍒欎竴鍏?/p>
10
浠戒负
6000
銆?/p>
銆?/p>
5
銆戠彮涓讳换鍐冲畾鐢?/p>
50
鍏冧拱绗旇鏈鍔辩彮涓婂悓瀛︼紝濂栧搧鍒嗕袱绉嶄笖瑕佹眰涓ょ绗旇鏈樊浠蜂笉灏?/p>
浜?/p>
4
鍏冦�傜彮涓讳换鍙戠幇绗旇鏈殑浠锋牸鎭板ソ鍧囦负璐ㄦ暟
,
闂湪淇濊瘉鎬绘暟閲忔渶澶氱殑鎯呭喌涓嬶紝鍙互涔板灏戠瑪
璁版湰锛?/p>
A.14
B.16
C.18
D.20
銆愯В鏋愩�戜拱鏈�澶氾紝鍒欏崟浠峰敖閲忓皯锛屼笖閮戒负璐ㄦ暟锛屾渶灏忚川鏁?/p>
2
锛屽垯鍙︿竴绉嶇瑪璁版湰瑕佸ぇ浜庢渶灏忓彇璐?/p>
鏁?/p>
7
銆傚洜姝ゆ湁
2x+7y=50
锛屼繚璇佹暟閲忓锛屽垯灏介噺涔颁究瀹滅殑锛岃吹鐨勫皯涔帮紝浣嗗張蹇呴』瑕佷拱銆傛牴鎹
鍋剁壒鎬э紝鍙煡
y
鑷冲皯涓?/p>
2
锛屾鏃?/p>
x=18
銆備竴鍏变拱浜?/p>
20
涓瑪璁版湰銆?/p>
6
鍏冿紝
銆?/p>
6
銆戞煇瓒呭競杩涘彛浜?/p>
50
浠?/p>
A
鍟嗗搧鍜?/p>
100
浠?/p>
B
鍟嗗搧銆傜幇灏?/p>
A
鍟嗗搧鎸?/p>
25%
鐨勫埄娑﹀畾浠烽攢鍞紝鍟嗗搧鎸?/p>
20%
鐨勫埄娑﹀畾浠烽攢鍞�備竴娈垫椂闂村悗锛?/p>
A
鍟嗗搧杩樺墿
20%
鏈敭鍑猴紝
B
鍟嗗搧鍏ㄩ儴鍞畬锛屽彂鐜版鏃跺凡鏀跺洖
鍏ㄩ儴鎴愭湰涓旇禋浜?/p>
240
鍏冦�傞偅涔堟瘡浠?/p>
B
鍟嗗搧鐨勮繘鍙ｄ环鏍兼槸澶氬皯鍏冿細
B