解一元一次方程专项练习题(200题-有答案).docx
《解一元一次方程专项练习题(200题-有答案).docx》由会员分享,可在线阅读,更多相关《解一元一次方程专项练习题(200题-有答案).docx(45页珍藏版)》请在课桌文档上搜索。
1、元一次方程专项练习200题(附答案)3Z(52)2+30.9=24.9,(53)5.3x2.9点5(62)XO.05=3.52811.5X+X=203.812+15X=87.6(78)4X=2,6(68)6X+5=17,(69)0.6(2.5+X)=4.2,(80)宜:78%=,9.(X4.52x=-9.(87)(70)32_丫一一八815(77)10_5_y22,27a18X45(82)3+卫x=46,(72)314InXis73)收会崇(74)(79)8(x2)=2(x+7),(98)4x+2(8x)=26,(88)3(x+4.5)=60,(89)1.6x+2.4=7.52,(100)-+
2、-=1,55(101)x(1+-)=3RIg(90)3(x0.8)=6.3,(702)S,(9/)28.45x=5.8,(92)x:1=A62R(93)l+2x=-l22(94)J-=15%,20(96)x+50%x=6,(703)(Iq)x=28,no),.R(722)x0.8x6=76,(777)637.8X=7.2,2)=i(123)1:&x:8,33(113)xE=42,14(724)015=x,0.。6(774)Ex+工=U,R52。(725)x:75=W:/,q6(775) 7x3=8.19,(116) 12:0.6=:工,2(117) 3(x+2)=4(x+1),139)2,(1
3、40)36(737)24,9.(729)2.5+7W=3W,767+3x=69,128)1(141)6x+2x56=0,8.53x=21,23x0.454=2.7(142)5.8x4.6x=0.96,(132)3至x=4,6(133) -5%=17.54,4(134) .1:2=1:(4273x)(143)8,4(9x)=3(144)3x7.2=8,(135)6+31=49(145)5x+28=71,(136)7x3=8.19,(137)32.89x=17.5(138)x-0.36=16-.(146)8.71.2x=3.9(765)1.9x=5.7(753)7.83x=3.6,(754)631
4、.8x=7.2,(755)10:x=4.5:0.8,(166)4.3y-y=4.6,(167)5x+2,6=7.6,(168)X-7.5=72.9,(156) :=x:(169) 9+5=8.4,4810(157) X7.65=464,(158) 28.25 X=8.25,(170) 6.8+3.2x=74.8,(159) X (3.6+2.97)=12.42,( 777 )5射喏,(187) 4x 3 (20 %+4=0,(189) 4x(178) - -x= A ,E m 13(190) 8x(788)平 a!56=12 ,3x=15.6,(191) 30 (x4) =60,(779)27
5、5%=3,3(180) 4x-y14=2.4,(181) W : x=2 : 4.5,95(192) 7.20.5 3x=1.2 .(793) 5x 2,45=8,(182) (x-45)6=12.5(183) 2717x=13.4,(784)9.6+3x=3.245,(785)2x+5=5x7,(795)5x2.415=66,(796)3.2x+2.8xx=1,3x=6.3,(200) x0.7+0.93=4,U-4,217-Lj21=21217X=/2;3 3)-4=-46受4x+4J+4x,4 6X(2-W)=1.2x=7.2,x=.2,555X=1;工4=4x+4,12(4) 82.5
6、2x=73.6202x=73.6,13.6+2X=20,2X=6.4,x=3.2;(5) 0.78:x=3:5,3x=0.785,3x=3.9,X=1.3(6) 120%x=0.4,120%x+20%x=0.4+20%X,0.4+20%X=7,0.4+20%X0.4=10.4,20%x=0.6,20%XX典=0.6X幽,29.0x=3;(10) 931.7x=13.4,271.7x=13.4,271.7x+1.7x=13.4+1.7x,734+7.7x=27,13.4+1.7x13.4=2713.4,1.7x13.6,77x7.7=73677,x=8(11) X25%x=24,乃%x=24,7
7、员x5%=24+75%,x=32;(72)-*+02=J,卫X-4卫X-43.0.6J,20.6+0.6=1+0.6,对卫X二皂,4m113,W4x=23)20% X 7.2+7.2=0.8+7.2 ,20% x20% =820%, x=40 ;X 2.43=0.8,X- 7.2=0.8,3) 0.6x+90第1.5x78,/.5xt5=78L5,x=52 ;(争-x=42 ,23x=12, 43x3=93 ,x=3.i.l=42l,6 6 x=2527.5,ll=4l ,333L 34(18) X2.25=8.25,X- 2.25+2.25=8.25+2.25,x=7O.5 ;V喏:x=3
8、: 72,5,W) =24, 色=24 ,(22) XX (2-XX(25)7,(26) X : 42=5:*42,(16)0.6x+32,5=67.5,0.67,567.5,O.6x+757.5=67.50.6x=600.6xO.6=6OO.6,x=1OO;(17)也(X-0.45)=53-(X-0.45)(x-0.45)=(X-53心45)X-2.4=1.6X-壬.4+2.4=1.6+2.4,3-1=4,3(20) x+0.=5.6,卫x+0.80.8=5.650.8,-x=4.8,63.=4.8-,63x=8(21) 1,4:X=1:075,x=1.40.75,X=1.056-=24-,
9、x=20;(23) 4卫二34,444+=3+,?,4444x=44x4=44,X=1(24) 12+70.3=20.1,12x+2.1=20.11A72x+2.72.1=20,12,12x12=1812,x=7.5;12+=9.*37-x610x=42-,71010=3010,x=35,27)UXo.5+0.75+l=3.75,20.75+40.75=3.75x=6;(28)0.8:工0.48:X,120.8x=-0.48,120.8x=0.2,0.8x0.8=0.20.8x4(29)X-2X=国,R533)2(X-3)=58,2(X3)2=5,82X-3=2.9,X-3+3=2.9+3,x
10、=5.9;(34)1.6x=6.4,1.6x1.6=6.41.6,x=4;(35)439=29,427=29,4x27+27=29+27,4x=56,4x4=564,X=74;(36)16+8x=4016+816=4016,8=248x8=248,x=3;(37)x1.13x1,11.1=31.1,x=3.34*,554二2一,5R5,Ex=3;(38)-l+2x=l,1.(30)42:1X至A57=42-,r30x=50;(37)5x0,4=75%,5x0.4+0.4=75%+0.4,5x5=7.755,x=0.23(32)6x60.9=4.5,0.9+0.9=45+0.9,6x=5.4,6
11、x6=5.46,=0.9;2x=-,42x2=l2,4-l(39)忠X3-12.762J67x1.127x=1.04,(40)X-7x=1.04,L04=1.041.04,7x=0,7x7=7.727、x=0.16;1L=2.31=2,X-1+1=2+1,囚x=316x=-;19(43)卫二26,79.42.4x=720.26,2.4x=18,72,24x2.4=78.722.4,x=7.8;1 25%X+25%J+25%x,40.25x+0.250.25=7-0.25,0.25x=0.75,x=3;1.25=X,0.25TTfi(49)0.25x=1.251.6,025x+025=7257.
12、6025,x=8;JXX=JLXJ,425(50)(44)1,2:2=,35x=7.253Z=6,3X=9;(45)1三=A:A111152=18,,_15IOX=JJ,x=图;6(57) 5:8=x:32,8x=532,8x8=5328,x=20(58) 2+30.9=24.92x+2.7=24.91、2x+2.72.7=24.92x2=22.22,kx=11.1;(59) 53x2.9X=W,X=12;2.4x2.4=W24,.6(46)工:I=X:0.8,2。5X=-Lx0.8,得=。.04,-iJX,OOX=O.2;(54)c(7-(7-2.8x)2.8x)=1.5D/42.4x=-5
13、3=3号Y-I-,32.7,7-2.8x=2.7,72.8x+2,x=2.1+2.8x,7-2.1=2.1+2.8x2,1,150%x+66=991.566=991.5x=33x=22(57)x+60.8x=16O.2x+6=760.2=10x=50x_x._(58)3T12x=12x=14.4(59)*5E0.55x=5.5x=10(60)3-(X心)=1.3m63-i(X至)X(x-卫)=1.3(x-3-l=l.3-0.78,13-W.78=1,3x0.78+0.78,14.68=1.3x4.687.3=7.3x7.3,x=3.6;(67)(X+0.5):21=(X4):124(x+0.5
14、)-,40.050.05X=O.17(X=52;(64)4x4.53X=6.38,183X=6.38,183X+3X=6.38+3X,6.38+3X=78,2.5+x 2.5=7 2.5,x=4.5 ;6.38+3X6.38=186.38,3X11.62,3X3=11.623,X=581.7r11,(65) 4X7.2=10,4X7.2+7.2=70+7.2,4X=17.2,4X+4=77.24,X=4.3;(66) 77.5X+X=2O,12.5X=20,72.5X72.5=2O72.5,X=1.6;(67) 3,812+15X=87.6,45.6+15X=87.6,45.6+15X45.6
15、=87.645.6,15X=42,75X+75=4275,X=2.8(68) 6X+5=17,6x+5-5=175,6x6=726,x=2;(69) 0.6(2.5+X)=4.2,0.6(2.5+X)0.6=4.20.6,2.5+x=7,0.6-_Lx22,IOu27xR1WX型乂出,27X1p110x一;一(72)l-AJJIOx15X=111.1升y1f同XX有,(73)To-M=X-3163.45,x.4x-,551452X巧(74) 4(W+x)=竺,65-L+4x=-,55l+4x-理=竺-l,554x=4,X=1;(75) WXO.25+4=乜,R240.2+X=-240.2+-I
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- 一元一次方程 专项 练习题 200 答案
链接地址:https://www.desk33.com/p-1050357.html