（悬赏30分）七年级下册解二元一次方程组100道，解不等式100道，解不等式组70道 求100到一元一次不等式100道一元一次计算100道二元一次...
\u8dea\u6c42\u4e03\u5e74\u7ea7\u4e0b\u518c\u4e0d\u7b49\u5f0f\u7ec4100\u9053\u9898\u3001\u4e8c\u5143\u4e00\u6b21\u65b9\u7a0b\u7ec4150\u9053\u3001\u4e0d\u7b49\u5f0f\u5e94\u7528\u989850\u9053\u3001\u4e8c\u5143\u4e00\u6b21\u65b9\u7a0b\u7ec4\u5e94\u7528\u989830\u9053{2(x-2)-3(y-3)=3(1)
{y-0.2x=3(2)
\u89e3:\u7531\uff082\uff09\u4e58\u4ee510+(2)\u5f97
y=4
\u5c06y=4\u4ee3\u5165\uff081\uff09\u5f97
x=5
{y-10x =30%y\uff081\uff09
{y-10(x+6)=10%\uff082\uff09
\u89e3:\u7531\uff082\uff09-\uff081\uff09\u5f97
y=300
\u628ay=300\u4ee3\u5165\u2460\u5f97
x=21
\u4e00\u3001\u7cbe\u5fc3\u9009\u4e00\u9009\uff08\u6bcf\u5c0f\u98983\u5206\uff0c\u517130\u5206\uff09
1\u3001\u5982\u679ca\uff1eb\uff0c\u90a3\u4e48\u4e0b\u5217\u4e0d\u7b49\u5f0f\u4e2d\u4e0d\u6210\u7acb\u7684\u662f( )
A\u3001 a\u20153\uff1eb\u20153 B\u3001 \u20153a\uff1e\u20153b C\u3001 \uff1e D\u3001 \u2015a\uff1c\u2015b
2\u3001\u5df2\u77e5\u4e24\u4e2a\u4e0d\u7b49\u5f0f\u7684\u89e3\u96c6\u5728\u6570\u8f74\u4e0a\u5982\u56fe\u8868\u793a\uff0c\u90a3\u4e48\u8fd9\u4e2a\u89e3\u96c6\u4e3a\uff08 \uff09
A\u3001 \u2265\uff0d1 B\u3001 >1 C\u3001\uff0d3\uff0d3
3\u3001\u201cx\u76842\u500d\u4e0e3\u7684\u5dee\u4e0d\u5927\u4e8e8\u201d\u5217\u51fa\u7684\u4e0d\u7b49\u5f0f\u662f( )
A\u30012x\uff0d3\u22648 B\u30012x\uff0d3\u22658
C\u30012x\uff0d3\uff1c8 D\u30012x\uff0d3\uff1e8
4\u3001\u5982\u56fe\uff0c\u5929\u5e73\u53f3\u76d8\u4e2d\u6bcf\u4e2a\u781d\u7801\u7684\u91cd\u91cf\u90fd\u662f1g\uff0c\u5219\u56fe\u4e2d\u663e\u793a\u51fa\u67d0\u836f\u54c1A\u8d28\u91cf\uff08g\uff09\u7684\u8303\u56f4\u662f\uff08 \uff09
A\u3001\u5927\u4e8e2g B\u3001\u5c0f\u4e8e3g C\u3001\u5927\u4e8e2g\u4e14\u5c0f\u4e8e3g D\u3001\u5927\u4e8e2g\u6216\u5c0f\u4e8e3g
\uff08\u7b2c4\u9898\u56fe\uff09
5\u3001\u5728\u6570\u8f74\u4e0a\u8868\u793a\u4e0d\u7b49\u5f0f \u2265\uff0d2\u7684\u89e3\u96c6\uff0c\u6b63\u786e\u7684\u662f\uff08 \uff09
A B C D
6\u3001\u82e5\u4e0d\u7b49\u5f0f\uff08a\u20155\uff09x\uff1c1\u7684\u89e3\u96c6\u662fx\uff1e \uff0c\u5219a\u7684\u53d6\u503c\u8303\u56f4\u662f\uff08 \uff09
A\u3001a\uff1e5 B\u3001a\uff1c5 C\u3001a\u22605 D\u3001\u4ee5\u4e0a\u90fd\u4e0d\u5bf9
7\u3001\u4e0d\u7b49\u5f0f\u7ec4 \u7684\u89e3\u96c6\u5728\u6570\u8f74\u4e0a\u53ef\u8868\u793a\u4e3a\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\u2026\uff08 \uff09
8\u3001\u5982\u679c\u4e0d\u7b49\u5f0f\u7ec4 \u7684\u89e3\u96c6\u662fx\uff1e7\uff0c\u5219n\u7684\u53d6\u503c\u8303\u56f4\u662f\uff08 \uff09
A\u3001n\u22657 B\u3001n\u22647 C\u3001n=7 D\u3001n\uff1c7
9\u3001\u6709\u7406\u6570a\u3001b\u3001c\u5728\u6570\u8f74\u4e0a\u7684\u5bf9\u5e94\u70b9\u7684\u4f4d\u7f6e\u5982\u56fe\u6240\u793a\uff0c\u4e0b\u5217\u5f0f\u5b50\u4e2d\u6b63\u786e\u7684\u662f\uff08 \uff09
A\u3001b+c\uff1e0 B\u3001a-b\uff1ea-c C\u3001ac\uff1ebc D\u3001ab\uff1eac
10\u3001\u82e5abcd\uff1e0\uff0ca+b+c+d\uff1e0\uff0c\u5219a\u3001b\u3001c\u3001d\u4e2d\u8d1f\u6570\u7684\u4e2a\u6570\u81f3\u591a\u6709( )\u4e2a
A\u30011 B\u30012 C\u30013 D\u30014
\u4e8c\u3001\u8010\u5fc3\u586b\u4e00\u586b\uff08\u6bcf\u5c0f\u98983\u5206\uff0c\u517130\u5206\uff09
1\u3001\u7528\u4e0d\u7b49\u5f0f\u8868\u793a\uff1a
\u2460\u3001 x\u4e0e2\u7684\u548c\u5c0f\u4e8e5____________\uff0e\u2461\u3001a\u4e0eb\u7684\u5dee\u662f\u975e\u8d1f\u6570___________\uff0e
\u2461\u3001 a\u7684\u76f8\u53cd\u6570\u7684 \u4e0d\u5927\u4e8ea\u76843\u500d\u4e0e15\u7684\u548c_________\uff0e
2\u3001\u82e5 \u6216=\u201d\u53f7\uff09
3\u3001\u4e0d\u7b49\u5f0f3x\u20152\u22644x+1\u7684\u89e3\u96c6\u662f_________\u3002
4\u3001\u4e0d\u7b49\u5f0f\u7ec4 \u7684\u89e3\u96c6\u662f____________________\u3002
5\u3001\u5f53x________\u65f6\uff0c\u4ee3\u6570\u5f0f \u7684\u503c\u662f\u975e\u6b63\u6570\u3002
6\u3001\u5df2\u77e5\u4e09\u89d2\u5f62\u7684\u4e24\u8fb9\u4e3a3\u548c4\uff0c\u5219\u7b2c\u4e09\u8fb9a\u7684\u53d6\u503c\u8303\u56f4\u662f________\u3002
7\u3001\u6069\u683c\u5c14\u7cfb\u6570\u8868\u793a\u5bb6\u5ead\u65e5\u5e38\u996e\u98df\u5f00\u652f\u5360\u5bb6\u5ead\u7ecf\u6d4e\u603b\u6536\u5165\u7684\u6bd4\u4f8b\uff0c\u5b83\u53cd\u6620\u4e86\u5c45\u6c11\u5bb6\u5ead\u7684\u5b9e\u9645\u751f\u6d3b\u6c34\u5e73\uff0c\u5404\u79cd\u7c7b\u578b\u5bb6\u5ead\u7684\u6069\u683c\u5c14\u7cfb\u6570\u5982\u4e0b\u8868\u6240\u793a\uff1a
\u5bb6\u5ead\u7c7b\u578b \u8d2b\u56f0\u5bb6\u5ead \u6e29\u9971\u5bb6\u5ead \u5c0f\u5eb7\u5bb6\u5ead \u53d1\u8fbe\u56fd
\u5bb6\u5bb6\u5ead \u6700\u5bcc\u6b32
\u56fd\u5bb6\u5bb6\u5ead
\u6069\u683c\u5c14\u7cfb\u6570(n) 75%\u4ee5\u4e0a 50%~75% 40%~49% 20%~39% \u4e0d\u523020%
\u5219\u7528\u542bn\u7684\u4e0d\u7b49\u5f0f\u8868\u793a\u5c0f\u5eb7\u5bb6\u5ead\u7684\u6069\u683c\u5c14\u7cfb\u6570\u4e3a \u3002
8\u3001\u4ece\u5c0f\u660e\u5bb6\u5230\u5b66\u6821\u7684\u8def\u7a0b\u662f2400\u7c73\uff0c\u5982\u679c\u5c0f\u660e\u65e9\u4e0a7\u70b9\u79bb\u5bb6\uff0c\u8981\u57287\u70b930\u5206\u523040\u5206\u4e4b\u95f4\u5230\u8fbe\u5b66\u6821\uff0c\u8bbe\u6b65\u884c\u901f\u5ea6\u4e3a \u7c73/\u5206\uff0c\u5219\u53ef\u5217\u4e0d\u7b49\u5f0f\u7ec4\u4e3a__________________\uff0c\u5c0f\u660e\u6b65\u884c\u7684\u901f\u5ea6\u8303\u56f4\u662f_________\u3002
2x\uff0da\uff1c1
9\u3001\u82e5\u4e0d\u7b49\u5f0f\u7ec4 \u7684\u89e3\u96c6\u4e3a\u20141\uff1cx\uff1c1\uff0c\u90a3\u4e48(a\u20141)(b\u20141)\u7684\u503c\u7b49\u4e8e \u3002
x\uff0d2b\uff1e3
10\u3001\u82e5\u5173\u4e8e \u7684\u65b9\u7a0b\u7ec4 \u7684\u89e3\u6ee1\u8db3 > \uff0c\u5219P\u7684\u53d6\u503c\u8303\u56f4\u662f_________\u3002
\u4e09\u3001\u7ec6\u5fc3\u505a\u4e00\u505a\uff08\u517140\u5206\uff09
1\u3001 \u89e3\u4e0b\u5217\u4e0d\u7b49\u5f0f\uff08\u7ec4\uff09\uff0c\u5e76\u628a\uff082\uff09\u3001\uff084\uff09\u4e24\u5c0f\u9898\u7684\u89e3\u96c6\u5728\u6570\u8f74\u4e0a\u8868\u793a\u51fa\u6765\uff1a\uff08\u6bcf\u5c0f\u98983\u5206\uff0c\u517112\u5206\uff09
\uff081\uff09\u3001 \uff082\uff09\u3001
\uff083\uff09\u3001 \uff084\uff09\u3001
2\u3001 \uff085\u5206\uff09\u82e5\u65b9\u7a0b\u7ec4 \u7684\u89e3x\u3001y\u90fd\u662f\u6b63\u6570\uff0c\u6c42a\u7684\u53d6\u503c\u8303\u56f4\u3002
3\u3001\uff085\u5206\uff09\u767b\u5c71\u524d\uff0c\u767b\u5c71\u8005\u8981\u5c06\u77ff\u6cc9\u6c34\u5206\u88c5\u5728\u65c5\u884c\u5305\u5185\u5e26\u4e0a\u5c71\u3002\u82e5\u6bcf\u4eba2\u74f6\uff0c\u5219\u5269\u4f593\u74f6\uff0c\u82e5\u6bcf\u4eba\u5e263\u74f6\uff0c\u5219\u6709\u4e00\u4eba\u6240\u5e26\u77ff\u6cc9\u6c34\u4e0d\u8db32\u74f6\u3002\u6c42\u767b\u5c71\u4eba\u6570\u53ca\u77ff\u6cc9\u6c34\u7684\u74f6\u6570\u3002
4\u3001\uff086\u5206\uff09 \u4e3a\u4f55\u503c\u65f6,\u4ee3\u6570\u5f0f \u7684\u503c\u662f\u975e\u8d1f\u6570\uff1f
5\u3001\uff086\u5206\uff09\u4e00\u4e2a\u957f\u65b9\u5f62\u8db3\u7403\u573a\u7684\u957f\u4e3axcm\uff0c\u5bbd\u4e3a70m\uff0c\u5982\u679c\u5b83\u7684\u5468\u957f\u5927\u4e8e350m \uff0c\u9762\u79ef\u5c0f\u4e8e7560m2\uff0c\u6c42x\u7684\u53d6\u503c\u8303\u56f4\uff0c\u5e76\u5224\u65ad\u8fd9\u4e2a\u7403\u573a\u662f\u5426\u53ef\u4ee5\u7528\u4f5c\u56fd\u9645\u8db3\u7403\u6bd4\u8d5b\u3002
(\u6ce8\uff1a\u7528\u4e8e\u56fd\u9645\u6bd4\u8d5b\u7684\u8db3\u7403\u573a\u7684\u957f\u5728100m \u5230110m\u4e4b\u95f4\uff0c\u5bbd\u572864m\u523075m\u4e4b\u95f4)
6\u3001\uff086\u5206\uff09\u67d0\u5de5\u5382\u73b0\u6709\u7532\u79cd\u539f\u659936\u5343\u514b\uff0c\u4e59\u79cd\u539f\u659920\u5343\u514b\uff0c\u8ba1\u5212\u7528\u8fd9\u4e24\u79cd\u539f\u6599\u751f\u4ea7A\u3001B\u4e24\u79cd\u4ea7\u54c1\u517112\u4ef6\u3002\u5df2\u77e5\u751f\u4ea7\u4e00\u4ef6A\u79cd\u4ea7\u54c1\u9700\u7532\u79cd\u539f\u65993\u5343\u514b\uff0c\u4e59\u79cd\u539f\u65991\u5343\u514b\uff1b\u751f\u4ea7\u4e00\u4ef6B\u79cd\u4ea7\u54c1\u9700\u7532\u79cd\u539f\u65992\u5343\u514b\uff0c\u4e59\u79cd\u539f\u65995\u5343\u514b\u3002
\uff081\uff09\u3001\u8bbe\u751f\u4ea7x\u4ef6A\u79cd\u4ea7\u54c1,\u5199\u51fax\u5e94\u6ee1\u8db3\u7684\u4e0d\u7b49\u5f0f\u7ec4\uff1b
\uff082\uff09\u3001\u8bf7\u4f60\u8bbe\u8ba1\u51fa\u7b26\u5408\u9898\u610f\u7684\u51e0\u79cd\u751f\u4ea7\u65b9\u6848\u3002
\u3010\u53c2\u8003\u7b54\u6848\u3011
\u4e00\u30011\u3001B\uff0c2\u3001A\uff0c3\u3001A\uff0c4\u3001C\uff0c5\u3001C\uff0c6\u3001B\uff0c7\u3001B\uff0c8\u3001B\uff0c9\u3001D\uff0c10\u3001B.
\u4e8c\u30011\u3001\u2460x+2\uff1e5,\u2461a-b\u22650,\u2462- a\u22643a+15,2\u3001\uff1c,\uff1e,3\u3001x\u2265-3,4\u3001-1.5\uff1cx\u22646,5\u3001x\u22652/3,
6\u30011\uff1ca\uff1c7,7\u300140%\u2264n\u226449%,8\u300130x\u22642400,60\u2264x\u226480,9\u30010,10\u3001p\uff1e-6.
40x\u22652400
\u4e09\u30011\u3001\u2460x\uff1c-9,\u2461x\u22654,\u2462 \u2264x\u22644,\u24631\u2264x\uff1c4.
0 4 1 4
\uff08\u7b2c\u2461\u9898\uff09 \uff08\u7b2c\u2463\u9898\uff09
2\u3001-3\uff1ca\uff1c6\uff1b3\u3001\u8bbe\u767b\u5c71\u4eba\u6570\u4e3ax\u4eba\uff0c\u52190\u2264(2x+3)-3(x-1)\u22642,\u89e3\u5f974\u2264x\u22646,\u6240\u4ee5\u53ef\u5f97\u5f53\u767b\u5c71\u4eba\u65704\u4eba\u65f6\uff0c\u77ff\u6cc9\u6c34\u7684\u74f6\u6570\u4e3a11\u74f6\uff1b\u5f53\u767b\u5c71\u4eba\u65705\u4eba\u65f6\uff0c\u77ff\u6cc9\u6c34\u7684\u74f6\u6570\u4e3a13\u74f6\uff1b\u5f53\u767b\u5c71\u4eba\u65706\u4eba\u65f6\uff0c\u77ff\u6cc9\u6c34\u7684\u74f6\u6570\u4e3a15\u74f6\u30024\u3001x\u2265 ,5\u3001\u7531\u9898\u610f\u5f97\uff0c 2(x+70)\uff1e350,\u89e3\u5f97
105\uff1cx\uff1c108, \u8fd9\u4e2a\u7403\u573a\u53ef\u4ee5\u7528\u4f5c\u56fd\u9645\u8db3\u7403\u6bd4\u8d5b,
70x\uff1c7560
6\u3001\uff081\uff09 3x+2(12-x)\u226436,
x+5(12-x)\u226420
(2)\u89e3\u5f9710\u2264x\u226412, \u6240\u4ee5\u751f\u4ea7\u65b9\u6848\u6709\u2460A10\u4ef6\uff0cB2\u4ef6\uff1b\u2461A11\u4ef6\uff0cB1\u4ef6\uff1b\u2462A12\u4ef6\uff0cB0\u4ef6\u3002\u4e00\u3001 \u586b\u7a7a\u9898\uff08\u7b2c1\u5c0f\u98984\u5206\uff0c\u5176\u5b83\u6bcf\u98983\u5206\uff0c\u5171\u8ba125\u5206\uff09
1\uff0e\u8bbea\uff1cb\uff0c\u7528\u201c\u201d\u53f7\u586b\u7a7a\uff1a
\uff081\uff09a-3 b-3 \uff082\uff09 -2a -2 b
\uff083\uff09 ( 4 ) 1\uff0da ______1\uff0db
2\uff0e\u7528\u4e0d\u7b49\u5f0f\u8868\u793a\uff1a \u76843\u500d\u4e0e1\u7684\u5dee\u4e0d\u5927\u4e8e2\u4e0e \u7684\u548c\u7684\u4e00\u534a\uff0c\u5f97__________\u3002
3. \u6839\u636e\u201ca\u76843\u500d\u4e0e5\u7684\u548c\u662f\u6b63\u6570\u201d\u5217\u51fa\u4e0d\u7b49\u5f0f\u662f \uff0e
4\uff0e\u4e0d\u7b49\u5f0f2x\uff0d1<3\u7684\u975e\u8d1f\u6574\u6570\u89e3\u662f \uff0e
5\uff0e\u5f53x_____\u65f6,\u4ee3\u6570\u5f0f3\uff08x\uff0b2\uff09\u4e0e1\u7684\u5dee\u4e0d\u5c0f\u4e8e\uff0d4\uff1f
6\uff0e\u4e0d\u7b49\u5f0f\u7ec4 \u7684\u89e3\u96c6\u662f \uff0e
7\uff0e\u82e5a < b,\u5219 a c2 _____ b c2
8.\u5c0f\u660e\u7528100\u5143\uff08\u53ef\u80fd\u6ca1\u6709\u7528\u5b8c\uff09\u94b1\u8d2d\u5f97\u7b14\u8bb0\u672c\u548c\u94a2\u7b14\u517130\u4ef6\uff0c\u5df2\u77e5\u6bcf\u672c\u7b14\u8bb0\u672c2\u5143\uff0c\u6bcf\u53ea\u94a2\u7b145\u5143.\u90a3\u4e48\u5c0f\u660e\u6700\u591a\u80fd\u4e70x\u652f\u94a2\u7b14\uff0c\u90a3\u4e48\u53ef\u5217\u4e0d\u7b49\u5f0f\u4e3a_________\u3002
\u4e8c\u3001 \u9009\u62e9\u9898\uff08\u6bcf\u98983\u5206\uff0c\u5171\u8ba127\u5206\uff09
1.\u4e0d\u7b49\u5f0f\u7ec4 \u7684\u89e3\u96c6\u5728\u6570\u8f74\u4e0a\u8868\u793a\uff0c\u6b63\u786e\u7684\u662f( )
A. B. C. D
2\uff0e\u5df2\u77e5a<b\uff0c\u4e0b\u5217\u56db\u4e2a\u4e0d\u7b49\u5f0f\u4e2d\u4e0d\u6b63\u786e\u7684\u662f\uff08 \uff09
(A) 4a <4b (B) -4a <-4b (C)a+4<b+4 (D)a-4<b-4
3. \u5728\u4e0b\u5217\u5404\u7ec4\u4e0d\u7b49\u5f0f\u4e2d,\u89e3\u96c6\u76f8\u540c\u7684\u662f( )
A. 5x>10\u4e0e3x\u22656 B. x+1<2 \u4e0e x+10<9
C. x28 D. x\uff0d3<0 \u4e0e 2x<10
4..\u4e0d\u7b49\u5f0f2x-1\u22653x-5\u7684\u6b63\u6574\u6570\u89e3\u7684\u4e2a\u6570\u4e3a\uff08 \uff09
(A)1\u4e2a (B)2\u4e2a (C)3\u4e2a (D)4\u4e2a
5\uff0e\u4e09\u4e2a\u8fde\u7eed\u81ea\u7136\u6570\u7684\u548c\u5c0f\u4e8e15\uff0c\u8fd9\u6837\u7684\u81ea\u7136\u6570\u7ec4\u5171\u6709\uff08 \uff09\u7ec4
A\uff0e2 B\uff0e 3 C \uff0e4 D\uff0e5
6. \u7531mx > n\u5f97x < \uff0c\u53ea\u80fd\u662f ( )
A\u3001m \u2265 0 B\u3001m \u2264 0 C \u3001m > 0 D\u3001m < 0
7. \u8bbe\u201c\u25cf\u201d\u3001\u201c\u25b2\u201d\u3001\u201c\u25a0\u201d\u8868\u793a\u4e09\u79cd\u4e0d\u540c\u7684\u7269\u4f53\uff0c\u73b0\u7528\u5929\u5e73\u79f0\u4e86\u4e24\u6b21\uff0c\u60c5\u51b5\u5982\u56fe\u6240\u793a\uff0c\u90a3\u4e48\u25cf\u3001\u25b2\u3001\u25a0\u8fd9\u4e09\u79cd\u7269\u4f53\u6309\u8d28\u91cf\u4ece\u5927\u5230\u5c0f\u7684\u987a\u5e8f\u6392\u5217\u4e3a( )
A.\u25a0\u3001\u25cf\u3001\u25b2\u3002 B.\u25a0\u3001\u25b2\u3001\u25cf\u3002
C.\u25b2\u3001\u25cf\u3001\u25a0\u3002 D.\u25b2\u3001\u25a0\u3001\u25cf\u3002
8.\u4e0b\u5217\u4e0d\u7b49\u5f0f\u4e00\u5b9a\u6210\u7acb\u7684\u662f\uff08 \uff09
A\uff0e B\uff0e C\uff0e D\uff0e
9.\u5982\u679c\u4e0d\u7b49\u5f0fax+4<0\u7684\u89e3\u96c6\u5728\u6570\u8f74\u4e0a\u8868\u793a\u5982\u56fe,\u90a3\u4e48a\u7684\u503c\u662f( )
A\uff0ea>0 B\uff0ea< 0 C \uff0ea=-2 D\uff0ea=2
\u4e09. \u89e3\u4e0d\u7b49\u5f0f\uff0c\u5e76\u628a\u89e3\u96c6\u5728\u6570\u8f74\u4e0a\u8868\u793a\u51fa\u6765\uff1a(\u6bcf\u5c0f\u98988\u5206)
(1) 4(x + 3)\u22653(2x + 1)\uff0d5 \uff082\uff09
\u56db.\u89e3\u4e0d\u7b49\u5f0f\u7ec4\uff1a(\u6bcf\u5c0f\u98988\u5206)
\uff081\uff09 \uff082\uff09
\u4e94\uff0e\u6709\u4e00\u672c\u4e66\uff0c\u5171320\u9875\uff0c\u524d5\u5929\u8bfb\u4e86100\u9875\uff0c\u73b0\u8981\u572810\u5929\u5185\u8bfb\u5b8c\uff0c\u5219\u4ece\u7b2c6\u5929\u8d77\uff0c\u6bcf\u5929\u81f3\u5c11\u8bfb\u591a\u5c11\u9875\uff1f(8\u5206)
\u516d\uff0e\u4e00\u5806\u82f9\u679c\u5206\u7ed9\u51e0\u4e2a\u5b69\u5b50\uff0c\u5982\u679c\u6bcf\u4eba\u52063\u4e2a\uff0c\u90a3\u4e48\u591a8\u4e2a\uff1b\u5982\u679c\u524d\u9762\u6bcf\u4eba\u52065\u4e2a\uff0c\u90a3\u4e48\u6700\u540e\u4e00\u4eba\u5f97\u5230\u7684\u82f9\u679c\u4e0d\u8db33\u4e2a\uff0c\u95ee\u6709\u51e0\u4e2a\u5b69\u5b50\uff1f\u6709\u591a\u5c11\u53ea\u82f9\u679c\uff1f
\u4e03\uff0e(\u9644\u52a0\u9898)\u67d0\u4e2d\u5b66\u9700\u8981\u523b\u5f55\u4e00\u6279\u7535\u8111\u5149\u76d8\uff0c\u82e5\u5230\u7535\u8111\u516c\u53f8\u523b\u5f55\uff0c\u6bcf\u5f20\u97008\u5143(\u5305\u62ec\u7a7a\u767d\u5149\u76d8\u8d39)\uff1b\u82e5\u5b66\u6821\u81ea\u523b\uff0c\u9664\u79df\u7528\u523b\u5f55\u673a\u9700120\u5143\u5916\uff0c\u6bcf\u5f20\u5149\u76d8\u8fd8\u9700\u6210\u672c4\u5143(\u5305\u62ec\u7a7a\u767d\u5149\u76d8)\uff0c\u95ee\u5728\u4ec0\u4e48\u60c5\u51b5\u4e0b\u523b\u5f55\u8fd9\u6279\u7535\u8111\u5149\u76d8\uff0c\u5230\u7535\u8111\u516c\u53f8\u523b\u5f55\u8d39\u7528\u7701\u94b1\u3002(20\u5206)
1X-15≥2(X-14)-10
7X-1≤1(X-8)-8
2. 4X-19≥6(X-16)-1
1X+18≥3(X+4)+3
3. 6X-16<1(X-12)-6
5X+2≥6(X+7)+4
4. 2X-20≥4(X-15)-7
6X+19<1(X+3)+9
5. 3X+17>6(X+11)+2
1X-8≤1(X-4)-7
6. 7X-14>7(X-18)-5
4X+12≤5(X+6)+8
7. 1X+10≤2(X+14)+10
5X-9≥7(X-2)-3
8. 4X-15≤6(X-16)-1
2X+6≥1(X+9)+6
9. 6X+4<5(X+17)+9
3X-2<3(X-5)-1
10. 1X+13≤5(X+20)+5
7X+19>4(X+14)+3
11. 5X-10≥6(X-7)-8
2X+8≥4(X+15)+1
12. 6X-6<1(X-3)-3
6X-5<5(X-3)-4
13. 3X-4<2(X-11)-7
7X+2>7(X+19)+9
14. 5X-13≤2(X-12)-5
2X+11≥7(X+20)+7
15. 1X+10≤3(X+19)+9
6X-20<6(X-12)-4
16. 3X-19>3(X-20)-7
7X+17>1(X+8)+9
17. 5X-8≥3(X-2)-5
4X-6≤7(X-1)-6
18. 2X+5≥4(X+9)+8
6X+15<7(X+20)+6
19. 3X-13<4(X-8)-9
3X-12<1(X-8)-10
20. 7X+10>6(X+16)+2
5X-1≤1(X-9)-8
21. 2X+12<3(X+2)+3
6X-10<1(X-10)-6
22. 6X-9<4(X-9)-7
3X-7<2(X-17)-9
23. 1X+18≤4(X+11)+5
5X-16≥2(X-19)-7
24. 4X-15≤5(X-18)-9
2X+6<1(X+11)+4
25. 6X-4<5(X-19)-7
4X+15≤7(X+14)+10
26. 1X-6<3(X-7)-5
1X-12≤2(X-1)-3
27. 5X+3<4(X+14)+9
2X-1>1(X-2)-1
28. 7X+12≤4(X+15)+7
6X+11≤7(X+15)+8
29. 4X-1≥3(X-8)-3
1X-19<7(X-16)-6
30. 6X-10>3(X-9)-1
4X+1≥5(X+2)+7
31. 3X-20≤2(X-20)-1
7X+18≤6(X+8)+3
32. 5X-9<2(X-1)-8
2X+19>4(X+14)+4
33. 7X-10≥6(X-7)-9
6X-16>5(X-1)-8
34. 4X+7≥7(X+14)+3
1X-18<3(X-8)-9
35. 6X+9≤5(X+1)+4
5X+7>2(X+20)+5
36. 3X-18≥4(X-15)-8
7X+17<1(X+3)+1
37. 5X-7>4(X-16)-6
2X+18≥6(X+9)+2
38. 2X+17≤3(X+8)+3
7X-8<5(X-1)-9
39. 4X+18>7(X+14)+4
1X-17≤5(X-2)-6
40. 1X-8≤6(X-7)-1
6X+6≥4(X+15)+3
41. 3X-17<6(X-6)-1
1X+8>2(X+20)+6
42. 5X-18≥4(X-13)-2
5X-17≤1(X-12)-3
43. 3X+8<3(X+5)+9
7X-19>5(X-18)-4
44. 5X+9≥1(X+11)+10
4X+8≤4(X+11)+1
45. 2X-18<1(X-13)-3
7X+8>3(X+6)+8
46. 4X-19≥5(X-19)-4
2X+10<1(X+12)+9
47. 1X+9<4(X+11)+10
6X-19>7(X-5)-6
48. 4X+10≥2(X+18)+1
1X-1<4(X-11)-7
49. 6X+11>7(X+2)+5
5X+10>4(X+2)+6
50. 3X-1≤6(X-15)-1
1X+12≥1(X+8)+7
51. 6X-15≤1(X-6)-5
5X-1<7(X-20)-4
52. 3X+5≥7(X+19)+2
7X+16>2(X+13)+5
53. 5X-6≤5(X-6)-1
3X+17<7(X+19)+6
54. 2X+16≥4(X+19)+7
7X-7>6(X-12)-3
55. 5X+10≥6(X+10)+1
2X-8≥4(X-18)-4
56. 2X-19≥5(X-1)-10
7X+10>1(X+14)+6
57. 4X-1≤3(X-7)-1
2X+11<5(X+20)+7
58. 7X+15≤5(X+18)+5
6X+1>4(X+13)+3
59. 4X-4≥4(X-11)-2
2X+15>7(X+6)+5
60. 7X+18≥7(X+4)+3
6X+5≤5(X+18)+2
1.2x+9y=81
3x+y=34
2.9x+4y=35
8x+3y=30
3.7x+2y=52
7x+4y=62
4.4x+6y=54
9x+2y=87
5.2x+y=7
2x+5y=19
6.x+2y=21
3x+5y=56
7.5x+7y=52
5x+2y=22
8.5x+5y=65
7x+7y=203
9.8x+4y=56
x+4y=21
10.5x+7y=41
5x+8y=44
11.7x+5y=54
3x+4y=38
12.x+8y=15
4x+y=29
13.3x+6y=24
9x+5y=46
14.9x+2y=62
4x+3y=36
15.9x+4y=46
7x+4y=42
16.9x+7y=135
4x+y=41
17.3x+8y=51
x+6y=27
18.9x+3y=99
4x+7y=95
19.9x+2y=38
3x+6y=18
20.5x+5y=45
7x+9y=69
21.8x+2y=28
7x+8y=62
22.x+6y=14
3x+3y=27
23.7x+4y=67
2x+8y=26
24.5x+4y=52
7x+6y=74
25.7x+y=9
4x+6y=16
26.6x+6y=48
6x+3y=42
27.8x+2y=16
7x+y=11
28.4x+9y=77
8x+6y=94
29.6x+8y=68
7x+6y=66
30.2x+2y=22
7x+2y=47
31. x-y=3
3x-8y=4
x=y+3
32. 3x+2y=7
5x-2y=1
33. x=3-5t
3y-2t=x
(33) 40x+31y=6043
45x-y=3555
(34) 47x+50y=8598
45x+y=3780
(35) 45x-30y=-1455
29x-y=725
(36) 11x-43y=-1361
47x+y=799
(37) 33x+59y=3254
94x+y=1034
(38) 89x-74y=-2735
68x+y=1020
(39) 94x+71y=7517
78x+y=3822
(40) 28x-62y=-4934
46x+y=552
(41) 75x+43y=8472
17x-y=1394
(42) 41x-38y=-1180
29x+y=1450
(43) 22x-59y=824
63x+y=4725
(44) 95x-56y=-401
90x+y=1530
(45) 93x-52y=-852
29x+y=464
(46) 93x+12y=8823
54x+y=4914
(47) 21x-63y=84
20x+y=1880
(48) 48x+93y=9756
38x-y=950
(49) 99x-67y=4011
75x-y=5475
(50) 83x+64y=9291
90x-y=3690
出两道当模型行吗？12x+3y=27 5x+6y=16 x=2 y=1 5x+3≥-12 x≥3
*%7B%22docid%22%3A%22419d788f2ec58bd63186bceb19e8b8f67d1cef6e%22%2C%22isIos%22%3A0%2C%22refer%22%3A%221023044z%22%2C%22query%22%3A%22%22%2C%22type%22%3A%22-4%22%2C%22channel_id%22%3A%221023044z%22%7D*
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绛旓細鎮祻30鍒!120閬鍒濅竴姝ｈ礋鏁版柟绋嬮!鎬! 灏忓鍏骞寸骇姣曚笟鐨勬殤鍋囦綔涓,120閬撴璐熸暟鏂圭▼棰!涓嶈澶毦~...(鍥)宸茬煡1+2+3+...+31+32+33=17*33,璁＄畻涓嬪紡 1-3+2-6+3-9-12+...+31-93+32-96+33...6. -8.鎻愮ず: ,4+a=0,a-2b=0,瑙ｅ緱:a= -4,b= -2. = -8. 7. x-3=卤2銆倄=3卤2...
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绛旓細鎵浠ユ湁24x+21锛105-x锛=2349 瑙ｅ嚭x=48锛105-x=57 鎵浠ョ敳鐝48浜猴紝涔欑彮57浜 鑱斿悎璐エ鍚庯紝姣忎汉闂ㄧエ涓18鍏冿紝鎵浠ョ敳鐝瘡浜鸿妭绾24-18=6鍏冿紝涔欑彮姣忎汉鑺傜害21-18=3 鎵浠ョ敳鐝妭绾︿簡6*48=288鍏冿紝涔欑彮鑺傜害浜3*57=171鍏 2.璁惧湪鐢插晢搴楀彲浠ヤ拱x涓悆锛岀敱棰樻剰鐭ラ亾 90=30*2*90%+2x*90 瑙ｅ嚭x=20 璁...
