求5道七年级上数学普通计算题（最好带负数），5道一元一次方程，5道化简求值题，急用，跪求！！！！！ 求：七年级上册数学 有理数混合运算、化简求值、解一元一次方程...
\u6c42\u521d\u4e00\u6570\u5b66\u9898\u6c42\u591a\u9053\u4e00\u5143\u4e00\u6b21\u65b9\u7a0b\uff0c\u5316\u7b80\u6c42\u503c\u9898\uff0c\u8d8a\u591a\u8d8a\u4e00\uff0e\u89e3\u7b54\u9898\uff08\u517130\u5c0f\u9898\uff09
1\uff0e\uff082005•\u5b81\u5fb7\uff09\u89e3\u65b9\u7a0b\uff1a2x+1=7
2\uff0e
3\uff0e\uff081\uff09\u89e3\u65b9\u7a0b\uff1a4\ufe63x=3\uff082\ufe63x\uff09\uff1b
\uff082\uff09\u89e3\u65b9\u7a0b\uff1a\uff0e
4\uff0e\u89e3\u65b9\u7a0b\uff1a\uff0e
5\uff0e\u89e3\u65b9\u7a0b
\uff081\uff094\uff08x\ufe631\uff09\ufe633\uff0820\ufe63x\uff09=5\uff08x\ufe632\uff09\uff1b
\uff082\uff09x\ufe63=2\ufe63\uff0e
6\uff0e\uff081\uff09\u89e3\u65b9\u7a0b\uff1a3\uff08x\ufe631\uff09=2x+3\uff1b
\uff082\uff09\u89e3\u65b9\u7a0b\uff1a=x\ufe63\uff0e
7\uff0e\ufe63\uff081\ufe632x\uff09=\uff083x+1\uff09
8\uff0e\u89e3\u65b9\u7a0b\uff1a
\uff081\uff095\uff08x\ufe631\uff09\ufe632\uff08x+1\uff09=3\uff08x\ufe631\uff09+x+1\uff1b
\uff082\uff09\uff0e
9\uff0e\u89e3\u65b9\u7a0b\uff1a\uff0e
10\uff0e\u89e3\u65b9\u7a0b\uff1a
\uff081\uff094x\ufe633\uff084\ufe63x\uff09=2\uff1b
\uff082\uff09\uff08x\ufe631\uff09=2\ufe63\uff08x+2\uff09\uff0e
11\uff0e\u8ba1\u7b97\uff1a
\uff081\uff09\u8ba1\u7b97\uff1a
\uff082\uff09\u89e3\u65b9\u7a0b\uff1a
12\uff0e\u89e3\u65b9\u7a0b\uff1a
13\uff0e\u89e3\u65b9\u7a0b\uff1a
\uff081\uff09
\uff082\uff09
14\uff0e\u89e3\u65b9\u7a0b\uff1a\uff081\uff095\uff082x+1\uff09\ufe632\uff082x\ufe633\uff09=6
\uff082\uff09+2
\uff083\uff09[3\uff08x\ufe63\uff09+]=5x\ufe631
15\uff0e\uff08A\u7c7b\uff09\u89e3\u65b9\u7a0b\uff1a5x\ufe632=7x+8\uff1b
\uff08B\u7c7b\uff09\u89e3\u65b9\u7a0b\uff1a\uff08x\ufe631\uff09\ufe63\uff08x+5\uff09=\ufe63\uff1b
\uff08C\u7c7b\uff09\u89e3\u65b9\u7a0b\uff1a\uff0e
16\uff0e\u89e3\u65b9\u7a0b
\uff081\uff093\uff08x+6\uff09=9\ufe635\uff081\ufe632x\uff09
\uff082\uff09
\uff083\uff09
\uff084\uff09
17\uff0e\u89e3\u65b9\u7a0b\uff1a
\uff081\uff09\u89e3\u65b9\u7a0b\uff1a4x\ufe633\uff085\ufe63x\uff09=13
\uff082\uff09\u89e3\u65b9\u7a0b\uff1ax\ufe63\ufe633
18\uff0e\uff081\uff09\u8ba1\u7b97\uff1a\ufe6342\u00d7+|\ufe632|3\u00d7\uff08\ufe63\uff093
\uff082\uff09\u8ba1\u7b97\uff1a\ufe6312\ufe63|0.5\ufe63|\u00f7\u00d7[\ufe632\ufe63\uff08\ufe633\uff092]
\uff083\uff09\u89e3\u65b9\u7a0b\uff1a4x\ufe633\uff085\ufe63x\uff09=2\uff1b
\uff084\uff09\u89e3\u65b9\u7a0b\uff1a\uff0e
19\uff0e\uff081\uff09\u8ba1\u7b97\uff1a\uff081\ufe632\ufe634\uff09\u00d7\uff1b
\uff082\uff09\u8ba1\u7b97\uff1a\u00f7\uff1b
\uff083\uff09\u89e3\u65b9\u7a0b\uff1a3x+3=2x+7\uff1b
\uff084\uff09\u89e3\u65b9\u7a0b\uff1a\uff0e
20\uff0e\u89e3\u65b9\u7a0b\uff081\uff09\ufe630.2\uff08x\ufe635\uff09=1\uff1b
\uff082\uff09\uff0e
21\uff0e\u89e3\u65b9\u7a0b\uff1a\uff08x+3\uff09\ufe632\uff08x\ufe631\uff09=9\ufe633x\uff0e
22\uff0e8x\ufe633=9+5x\uff0e
5x+2\uff083x\ufe637\uff09=9\ufe634\uff082+x\uff09\uff0e
\uff0e
\uff0e
23\uff0e\u89e3\u4e0b\u5217\u65b9\u7a0b\uff1a
\uff081\uff090.5x\ufe630.7=5.2\ufe631.3\uff08x\ufe631\uff09\uff1b
\uff082\uff09=\ufe632\uff0e
24\uff0e\u89e3\u65b9\u7a0b\uff1a
\uff081\uff09\ufe630.5+3x=10\uff1b
\uff082\uff093x+8=2x+6\uff1b
\uff083\uff092x+3\uff08x+1\uff09=5\ufe634\uff08x\ufe631\uff09\uff1b
\uff084\uff09\uff0e
25\uff0e\u89e3\u65b9\u7a0b\uff1a\uff0e
26\uff0e\u89e3\u65b9\u7a0b\uff1a\uff081\uff0910x\ufe6312=5x+15\uff1b\uff08\u7cbe\u00b7\u00b7\u00b7\u9510\uff09
\uff082\uff09
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普通计算题：①1．5×﹙6×－6﹚＋2－5
②2．58×3－2＋﹙﹣6﹚
③10×－5＋2－69＋﹙﹣25﹚
④3＋2－﹙﹣2﹚×9－6
⑤360﹢2586÷2＋﹙－6664﹚
一元一次方程
①3y＋69y－2÷3＝69
②4y一﹙－6﹚＋8＝10
③9y＋6－9＝65
④60y－58＝60＋2
⑤4y－50＋﹙﹣6﹚＝－60
化简求值题
①3y＋6w－5y＋29w＋36a
②6y－25y＋14y－56w＋2a－5w＋2y
③66y－56w＋2a＋28y－59a
④33y＋34w－5a－56w
⑤1241w＋59y－596a＋5856a－5986y
没答案，先忍一下吧
7(2x-1)-3(4x-1)=4(3x+2)-1;
(5y+1)+ (1-y)= (9y+1)+ (1-3y);
20%+(1-20%)(320-x)=320×40%
2(x-2)+2=x+1
2(x-2)-3(4x-1)=9(1-x)
x/3 -5 = (5-x)/2
2(x+1) /3=5(x+1) /6 -1
(1/5)x +1 =(2x+1)/4
(5-2)/2 - (4+x)/3 =1
x/3 -1 = (1-x)/2
(x-2)/2 - (3x-2)/4 =-1
11x+64-2x=100-9x
15-(8-5x)=7x+(4-3x)
3(x-7)-2[9-4(2-x)]=22
3/2[2/3(1/4x-1)-2]-x=2
2(x-2)-3(4x-1)=9(1-x)
11x+64-2x=100-9x
15-(8-5x)=7x+(4-3x)
3(x-7)-2[9-4(2-x)]=22
3/2[2/3(1/4x-1)-2]-x=2
2(x-2)+2=x+1
1.7(2x-1)-3(4x-1)=4(3x+2)-1
2.(5y+1)+ (1-y)= (9y+1)+ (1-3y)
3.[ (- 2)-4 ]=x+2
4.20%+(1-20%)(320-x)=320×40%
5.2(x-2)+2=x+1
6.2(x-2)-3(4x-1)=9(1-x)
7.11x+64-2x=100-9x
8.15-(8-5x)=7x+(4-3x)
9.3(x-7)-2[9-4(2-x)]=22
10.3/2[2/3(1/4x-1)-2]-x=2
11.5x+1-2x=3x-2
12.3y-4=2y+1
13.87X*13=5
14.7Z/93=41
15.15X+863-65X=54
16.58Y*55=27489
17.2（x+2）+4=9
18.2(x+4)=10
19.3(x-5)=18
20.4x+8=2(x-1)
21.3(x+3)=9+x
22.6(x/2+1)=12
23.9(x+6)=63
24.2+x=2(x-1/2)
25.8x+3(1-x)=-2
26.7+x-2(x-1)=1
27.x/3 -5 = (5-x)/2
28.2(x+1) /3=5(x+1) /6 -1
29.(1/5)x +1 =(2x+1)/4
30.(5-2)/2 - (4+x)/3 =1
15x-8(5x+1.5)=18*1.25+x
3X+189=521
4Y+119=22
3X*189=5
8Z/6=458
3X+77=59
4Y-6985=81
87X*13=5
7Z/93=41
15X+863-65X=54
58Y*55=27489
1. 2(x-2)-3(4x-1)=9(1-x)
2. 11x+64-2x=100-9x
3. 15-(8-5x)=7x+(4-3x)
4. 3(x-7)-2[9-4(2-x)]=22
5. 3/2[2/3(1/4x-1)-2]-x=2
6. 2(x-2)+2=x+1
7. 0.4(x-0.2)+1.5=0.7x-0.38
8. 30x-10(10-x)=100
9. 4(x+2)=5(x-2)
10. 120-4(x+5)=25
11. 15x+863-65x=54
12. 12.3(x-2)+1=x-(2x-1)
13. 11x+64-2x=100-9x
14. 14.59+x-25.31=0
15. x-48.32+78.51=80
16. 820-16x=45.5×8
17. (x-6)×7=2x
18. 3x+x=18
19. 0.8+3.2=7.2
20. 12.5-3x=6.5
21. 1.2(x-0.64)=0.54
22. x+12.5=3.5x
23. 8x-22.8=1.2
24. 1\ 50x+10=60
25. 2\ 60x-30=20
26. 3\ 3^20x+50=110
27. 4\ 2x=5x-3
28. 5\ 90=10+x
29. 6\ 90+20x=30
30. 7\ 691+3x=700
1 2x-10.3x=15
2 0.52x-(1-0.52)x=80
3 x/2+3x/2=7
4 3x+7=32-2x
5 3x+5(138-x)=540
6 3x-7(x-1)=3-2(x+3)
7 18x+3x-3=18-2(2x-1)
8 3(20-y)=6y-4(y-11)
9 -(x/4-1)=5
10 3[4(5y-1)-8]=6
（1）-3x-6x2=7
（2）5x+1-2x=3x-2
（3）3y-4=2y+1
（4）3y-4=y+3
（5）3y-y=3+4
（6）0.4x-3=0.1x+2
（7）5x+15-2x-2=10
（8）2x-4+5-5x=-1
（9）3X+189=521
（10）4Y+119=22
（11）3X*189=5
（12）8Z/6=458
（13）3X+77=59
（14）4Y-6985=81
（15）87X*13=5
（16）46/x=23 x=2
（17）64/x=8 x=8
（18）99/x=11 x=9 ok 没有答案
-2+9-5+98 -7-9+5 265-98+9-741 125-95+99+(-9) -1452+6
3x+65=5 6x/4+9=5 8x+6x+69 9x-6x=36 7o+5/2=4
2x-9y+10p-9x+5y+3p-2y
绛旓細锝3x+4y=5 {x=1 -7x+9y=-2/5 y=0.5 {x+y=35 {x=23 2x+4y=94 y=12 {x+y=7 {x=4 900x=1200y y=3 {2(2x+5y)=3.6 {x=0.4 5(3x+2y)=8 y=0.2 {3(x-1)=y+5 {x=5 5(y-1)=3(x+5) y=7 {2x/3+3y/4=1/2 {x=...
绛旓細1) 66x+17y=3967 25x+y=1200 绛旀锛歺=48 y=47 (2) 18x+23y=2303 74x-y=1998 绛旀锛歺=27 y=79 (3) 44x+90y=7796 44x+y=3476 绛旀锛歺=79 y=48 (4) 76x-66y=4082 30x-y=2940 绛旀锛歺=98 y=51 (5) 67x+54y=8546 71x-y=5680 绛旀锛歺=80 y=59 (6) 42x-95y=...
绛旓細涓冨勾绾ф暟瀛︿笂鍐岃绠楅 鎴戞潵绛 2涓洖绛 #鐑# 缃戞枃璐ㄩ噺鏄笉鏄笅闄嶄簡?鐧惧害缃戝弸04bce71 2016-07-28 路 TA鑾峰緱瓒呰繃1.3涓囦釜璧 鐭ラ亾澶ф湁鍙负绛斾富 鍥炵瓟閲:4231 閲囩撼鐜:0% 甯姪鐨勪汉:1066涓 鎴戜篃鍘荤瓟棰樿闂釜浜洪〉 鍏虫敞 灞曞紑鍏ㄩ儴 [-18]+29+[-52]+60= 19 [-3]+[-2]+[-1]+0+1+...
绛旓細鍒濅竴涓瀛︽湡鏁板璁＄畻棰100閬撹绛旀鍜岃繃绋,杩樻湁鏂圭▼50閬 蹇!!HAT... 蹇!!HAT 灞曞紑 4涓洖绛 #鐑# 濡備綍缂撹В鐒﹁檻鎯呯华? 912125536 2009-02-14 路 TA鑾峰緱瓒呰繃559涓禐 鐭ラ亾绛斾富 鍥炵瓟閲:34 閲囩撼鐜:0% 甯姪鐨勪汉:0 鎴戜篃鍘荤瓟棰樿闂釜浜洪〉 鍏虫敞 灞曞紑鍏ㄩ儴 2x+17=35 3x-64=11 12+8x=52 0.8x...
绛旓細涓銆亁09鍒濅竴璐ㄩ噺鐩戞祴: 1銆佸媷澹帓鐞冮槦鍥涘満姣旇禌鐨勬垚缁(浜灞涓夎儨鍒)鏄1:3,3:2, 0:3, 3:1,鎬荤殑鍑鑳滃眬鏁版槸澶氬皯?P6椤 1+3+3-(3+2+3+1) =7-9 =-2 绛:鎬荤殑鍑鑳滃眬鏁版槸-2 2銆佷笅鍒楀悇鏁版槸10鍚嶅鐢熺殑鏁板鑰冭瘯鎴愮哗,鍏堜及绠椾粬浠殑骞冲潎鎴愮哗,鐒跺悗鍦ㄦ鍩虹涓婅绠骞冲潎鎴愮哗,鐢辨妫楠屼綘鐨勪及鍊艰兘鍔....
绛旓細1.x鐨2娆℃柟*y鐨2n娆℃柟+z鐨刵娆℃柟*x鐨刵娆℃柟*y鐨2n娆℃柟 2.x鐨2n娆℃柟*x鐨刴n*x鐨3m娆℃柟*x鐨3mn娆℃柟 3.(36/17)鐨2003娆℃柟*(7/36)鐨2004娆℃柟 4.宸茬煡a鐨2娆℃柟+ab=4 ab+b鐨2娆℃柟=-1,閭ｄ箞a鐨2娆℃柟-b鐨2娆℃柟= a鐨2娆℃柟+3ab+2b鐨2娆℃柟= 5.(4/10*1/4)*x鐨5娆℃柟*y鐨3娆℃柟+8x...
绛旓細10銆=a^4+2a^b-1/3a^b-2/3b^2+a^2-2b 杩欓鏄笉鏄妱閿欓浜嗭紵11銆=2^12脳锛1/2^2锛塣12 =2^(12-24)=2^(-12)=1/4056 12銆亁^2-14x+49-x^2+6x+2x-12=14x-35 x=3.6 13銆=999^2+1/16 =998001鍙1/16 14銆=(a+3b+2)^2-(a-3b)^2+4 =12ab+4a+12b+8 x...
绛旓細2b-3a)=(9a^2-12ab+4b^2-9a^2+4a^2)梅(2b-3a)=(8b^2-12ab)梅(2b-3a)=4b(2b-3a)梅(2b-3a)=4b (5)4锛坅^2+b)(a^2-b)-(2a^2-b^2)=4(a^4-b^2)-2a^2+b^2 =4a^4-4b^2-2a^2+b^2 =4a^4-2a^2-3b^2 =4*16-2*4-3*25 =-19 绁濅綘瀛︿範杩涙锛佸懙鍛碉紒
绛旓細1.-3^3*(-1/3)^2-2^2/(-1/2)+(-1)^2 瑙 鍘熷紡=-27*(1/9)-4*(-2)+1=-3+8+1=6 2.99鍙1/18*锛-36锛夌敤绠渚挎柟娉 瑙 鍘熷紡=100*(-36)-17/18*(-36)=-3600+34=-3566 3.7x-15=10x-18 瑙 鍘熸柟绋=>-3x=-3=>x=1 4.4(y-2)-5(1-2y)=0 瑙 鍘熸柟绋=>4y-8...
绛旓細1. 3/7 脳 49/9 - 4/3 2. 8/9 脳 15/36 + 1/27 3. 12脳 5/6 鈥 2/9 脳3 4. 8脳 5/4 + 1/4 5. 6梅 3/8 鈥 3/8 梅6 6. 4/7 脳 5/9 + 3/7 脳 5/9 7. 5/2 -锛 3/2 + 4/5 锛8. 7/8 + 锛 1/8 + 1/9 锛9. 9 脳 5/6 + 5/6 10....
