六年级上册分数解方程练习题94559

1、精选范本六年级分数解方程练习题班级_ 姓名_ 成绩2135X-3X=4X=381XX-0.25= -=30%4421151528212X +丄=1234|X=25728X=1乂16X=入965162613X += +精选范本4+0.7X=1022 13X+2X=421X+ -X=1054X-3X=400X-0.125X=8xX2+丄=4X -X-X=125 X-2.4X5=8328733210.36X 5- T x =453(x- 4.5) = 72x- 25%x = 10 x- 0.8x = 16+620 x-8.5= 1.5x- x -4= 2153X+7 X=183138)=12X-.3

2、75x=|288- 26- 14)X8500X650X-80)精选范本+12X2/3) =8/3(9+ 8)x= 8/317x= 8/3x= 8/3 - 17x= 8/51(2)7x/15=3/4X4/15X9/177x/15 = 9/85x= 9/85 - 7/15x= 27/119(3) ( 15X1/3 + 15X2/毁手 20(5+ 6)x= 2011x= 20 x= 20 - 11x= 20/11(4)2x- 3x/7 = 611x/7 = 6x= 6 - 11/7360-(2+6)X5X + 25%X=903X- 7X=解：(1) ( 12X3/45.8X3.87-0.13 +4.

3、2X3.74精选范本(105X12635)十 25864-(723)X12(45+3816)X24500(240+ 38X6)64(8742)X15(845- 15X3)-1612X4928)十 7450- 8448)-12(58+37)-(64-9X5)95 十(64-45)178-145-5X6+42812-700-(9+31X11)85+14X(14+208-26)(284+16)X(512-8208-18)12036X4-18+35(58+37)-(64-9X5)(6.868X0.55)-8.50.12X4.8-0.12X4.8(3.2X1.5+2.5) -1.66-1.6-4= 5.

4、38+7.85.37=7.2-0-8.2X5=-31.19X-0.43=6.5X4.8-1.2X4)精选范本32.52-(6+9.728-3.2)X2.5(7.1-5.6X0.91.15-2.55.4-2.6X.(-2.9 +0.6212X6- (12-7.2 -612X6-7-60.68X1.9+0.32X1.9(58+370)-(64-45420+580-64X21-28(136+64) X(65-345-23)48.10.15-0.75X(-517388+(5000-1000)158+262+138375+219+381+2255001- 247-1021-232(181+2564 +2

5、719378+44+114+242+222276+228+353+219(375+1034)+(966+125)(2130+783+270)+1017 99+999+9999+999997755- (2187+755)2214+638+286123X18123X3+85X123精选范本3065- 7381065 899+3442357- 1833173572365- 1086- 214497-2992370+19953999+4981884 39812X2575X24138X25X4(13X125)X(3X8)(12+24+80)X50704X25 25X32X12532X(25+125) 8

6、8X125102X76 58X98178X101-7884X36+64X8475X99+2X7583X10283X298X199精选范本50X(34X4)X325X(24+16)178X99+17879X42+79+79X577300-25-48100-4-7516800-12030100-210032000-40049700-7001248吃43150-154800-252356-(1356- 721)1235-(1780- 1665)75X27+19X2 531X870+13X3104X(25X65+25X28)(181+2564)+2719378+44+114+242+222276+22

7、8+353+219 (375+1034)+(966+125)精选范本(2130+783+270)+101799+999+9999+99755-(2187+755)2214+638+286 3065- 738-1065 899+3442357- 183-317-357 2365- 1086- 214497-2992370+19953999+4981884 39812X25 75X24138X25X4(13X125)X(3X8)(12+24+80)X50704X2525X32X12532X(25+125)88X125102X7658X98178X101-7884X36+64X844x(25x65+

8、25x28)12x+3(9-x)=21精选范本75X99+2X75 83X102-83X24x(25x65+25x28)12x+3(9-x)=21精选范本98x199 123x18123x3+85x12350 x(34x4)x325x(24+16)178x99+17879x42+79+79x577300-25-48100-4-7516800-12030100-210032000-40049700-7001248-243150-154800-2521500-1252356-(1356- 721)1235-(1780- 1665)75x27+19x2531x870+13x310 x=15精选范本2

9、x+3*9-3x=2127-x=21x=27-21x=62.(1-25%)x=7275%x=72x=72-75%x=963.x-40%x=3.6(1-40%)x=3.6x=3.6-60%x=66.2-(1/4+1/7)X4/1=2-11/28X4/1=10/72x+3x=605x=60 x=123.6x-2.8x=120.8x=1225X12=00,精选范本100 x-x=198 99x=198x=218x+2x=60（问题里弄成+60 了 是等号吧?）20 x=60 x=35x+6x=12.111x=12.1x=1.16.6x-5x=81.6x=8x=54x-x=243x=24x=81.5x

10、-x=10.5x=1x=21.9x+0.4x=9.2精选范本2.3x=9.2 x=425x-5x=10X2-5X20 20 x=100 x=580 x-40=(30 x+40)X280 x-40=60 x+80 20 x=120 x=680 x-3200=60 x+120020 x=4400 x=2201.5- 0.06=1.440.75-15=05,0.4X0.8 032,420-35=2,135-0.5 27025X12=00,精选范本3/4 + 1/4 =1,3 - 2/3 =7/3, 3/4 - 1/2= 1/41/6 + 1/2 -1/6 =1/2, 7.5-(2.5+3.8)=1.2, 7/8 + 3/8