精编五年级解方程训练

1、解方程专题训练7 + 兀=19 + 120 = 176584- = 90兀 +150 = 290794 + = 95.52兀 + 55 = 129lx = 639x = 4.54.4 兀=4444.5x = 905兀= 1006.2兀= 124兀一6 = 19-33 = 8.9x-25.8 = 95.4兀一 54.3 = 100兀77 = 275兀77 = 144兀一 7 = 9“4.4 = 10% 4-78 = 0.5x 2.5 = 100x 3 = 33.3兀*2 = 89一兀=4.573.2-x = 52.587 兀=2266- = 32.377-兀= 21.999一兀=6193.3 +

2、 无=0.38.8 x = 4.49r = 0.037"=()56子兀=439" = 33(x-4) = 46(8 + x)-5 = 15(无 + 5)*3 = 1615-(x + 0.5) = 1.52x + sx = 40i2x-sx = 4012x + x = 26无+ 0.5x = 62x+8=16x 5h0x+7x二89x-3x二66x-8二45x+x=9xh-5=10x+7x=8x8二6x4v5x 二 202x6二122x+8二169x-3x二66x-8二45x+x二9x-8二6x4三5x=202x-6二121三 2x-8二4x-5三 6二77x+7二146x-

3、6=05x+6 二门2x-8二103x+7二283x-7二269x-x二1624x+x二506一7x-8二43x-8二306x+6二123x-3=15x-3x二42x+16=195x+8二1914-6x=815+6x二275-8x二47x+8二157x+7=146x-6=05x+6=112x-8=102x-8二4x-5三 6二73x+7二283x-7二269x-x二1624x+x=506 7x-8 二43x-8二306x+6二123x-3二15x-3x二42x+16二195x+8二1914-6x=815+6x二275-8x二47x+8二159-2x=14+5x二910-x二88x+9=179+

4、6xp4x+9x二4+72x+9二178-4x二66x-7二127x-9二8x-56=18-7x=1x-30二126x-21=216x-3二69x=184x-18二135x+9=116-2x=1126x1.5= 2xx+4+8二237x-12二8x-5. 7=2. 155x-2x=189.25-x=0. 40316.94-x=0. 3x4-0. 5=2.6x+13=333 5x二801.8- 6x=546. 7x-60. 3二6. 79 +4x 二400. 2x-0. 4+0. 5=3. 79.4x-0.4x=16. 212 -4x=2012x+34x=118x-14 x二 1223 x-5x

5、14 二 1412 +34x=5622-14x= 1223 x-14x= 14x+14x= 6523x=14x +1430x-12x-14x=15x-2x=301 2x-0. 5x=6. 371x+3=12489x-43x=9. 25x-45二10040x+6仁22323.4=2x=564x-x二48. 6247x+114=3735x+103二 171239x+51 二门 9187x+255二67135x+203=1583x+151=21931x+99=167137x+43=11179x+199=116179x+247二59127x+195=774x+142=21022x+90=158226x

6、+38二106174x+242二54122x+190=270x+138=20671x+191=107128x+34=102170x+238二50118x+186=254163x+24=190198x+78=9357x+172=7866x+134=20214x+82=150218x+30=98166x+234=46146x+214=2694x+162=23042x+110=17842x+162=79242x+54=122239x+100=1017x+153=169133x+248二154221x+33=101222x+86二223x+185=25365x+133=20113x+81=149217

7、x+29二97218x+82二25419x+181=24961x+129=1979x+77=1456x+123=3341x+177=193156x+15=177245x+57二 125245x+110=2647x+209=2189x+157=22537x+105=17337x+157=7495x+1=6913x+81=149217x+29=97169x+33=206227x+133=201214x+74二240248x+128=144107x+222二128249x+113=29202x+108=176244x+56二12450x+212二24145x+9=181135x+250=15620x

8、+141=57241x+102二 1220x+156=17278x+240=52120x+188=256120x+24仁157178x+84=15213x+130=4048x+184=199163x+22=18448x+168=85128x+248=165186x+92=160232x+96=1334x+196=821x+138=4855x+191=207171x+30=19256x+176=92100x+217=127113x+19=87208x+72二2449x+171=239135x+15=3147x+214=224245x+151=21980x+197=107115x+251=1123

9、0x+89=251115x+236=152173x+79=14711x+132=4869x+231=43160x+21=187195x+75=90123x+3=1834x+201=212233x+139=207103x+238二25414x+181=192213x+119=187158x+112=2230x+166=182198x+109=11968x+185=9551x+171=88140x+46=114235x+99二1585x+40=206214x+94=110126x+37=47117x+72=238246x+126=142157x+69=79100x+6=74194x+59=231(

10、0. 5+x)+x=9.8 22(x+x+05)=9.825000+x=6xx+5. 6=9.4x-0. 7x二3. 6914-x 二 1.3x+8. 3=10.715x =33x-8=167 (x-2)=2x+33x+9二2718 (x-2)=27012x二300-4x7x+5. 3=7. 43x25=4.830fx+25 二 851.4x 8-2x 二 66x-12.8x3=0. 06410-3x=170x+2x+18=78(200-x) 4-5=303 (x+0. 5)=210.5x+8二436x-3xp81.5x+18=3x0. 273-x二0. 35(x-140) 4-70=41.8

11、x=0. 972xeo. 756二909x-40二5x 4-5+9=2148-27+5x二3110. 5+x+21 二560. 1 (x+6)二3. 3x0.44 (x-5. 6)二 1.67 (6. 5+x)二87. 5(27. 5-3. 5) fx二42(x+x+0. 5)二9. 8x-0. 7x=3. 612x-8x二4.87.5x2x=151.2x=81.6x+5. 6二9. 4914-x =1.3x+8. 3=10.715x 二33x-8二163x+9二278 (x-2)二2707x+5. 3二7. 43x4-5=4. 830fx+25 二 851.4x 8-2x 二 66x-12.

12、 8x3=0. 06410-3x1703(x+0. 5)=210. 5x+8二436x-3x=181.5x+18=3x5x3-x-2二80. 273-x二0.3518x=0. 972x4-0. 756二909x-40二5x 4-5+9=2148-27+5x=3110.5+x+21=56x+2x+18二78(200-x)三5二30(x-140) 4-70=40. 1(x+6)=3. 3x0.44 (x-5. 6)二 1.67 (6. 5+x)二87. 5(27. 5-3. 5) fx二4x+19. 8=25.85. 6x二33. 69. 8-x=3. 875. 64-x=12. 65x+12.5

13、=32.35 (x+8)=102x+3x+10二703 (x+3)二50-x+35x+15二602x-20二43x+6=182 (2. 8+x) =10.413. 2x+9x=33. 33x=x+100x+4. 8=7. 26x+18=483(x+2. 1)=10. 512x-9x=8. 713(x+5)=1692x-97二34. 23. 4x-48二26. 842x+25xp341.5(x+1.6) =3.62 (x-3) =5.865x+7二429x+4x2. 5二914.2 x+2. 5x=13410. 5x+6. 5x=5189x-43x二9. 25x45二1001.2x-0. 5x=

14、6. 323. 4=2x=564x-x二48. 620-9x=1.2x6. 25(x-3) 一 2二7. 56x+12. 8=15. 8150x2+3x=6904. 5x-x二28x-5. 7二2. 155x-2x=183x+0. 7=53. 5x2=4. 2+x26x1.5=2x+100.5x16-16x0. 2二4x139. 25-x二0.40316. 9fx二0. 323x=14x+14x+14x=653-5x二801.8 +6x二546. 7x-60. 3二6. 79+4x 二402x+8=1623x-14x=14x+7x二89x-3x二66x-8二45x+x二9x-8二6x4x 二2052x-6二127x+7二146x6=05x+6二112x8二103x+7二283x-7二269x-x=1624x+x二503x-8二306x+6二123x-3=15x-3x二42x+16二195x+8=1914-6x=815+6x二275-8x二47x+8二159-2x=14+5x二910-x二88x+9二179+6xp42x+9二178-4x二66x-7二127x-9二8x-56p8-7xpx-30二126x-21=216x-3二69x=184xt8