六年级[上册]分数解方程练习试题

1、.wd.wdPAGE12 / NUMPAGES12.wd六年级分数解方程练习题班级 姓名 成绩 25% + 10X = X - 15%X = 68XX121 5X3X126X5 =13.4 3X=X= XX= 4X6=2 EQ F(12,5) X= EQ F(3,10) X = X = X= 4x39 = 29 x + x = 4X21=4 6X5 =13.4 eq f(2,5) X- eq f(1,3) X= eq f(3,10) 46385X=X= X=X=12 X=X=X= X-0.25=30% 4+0.7X=102 X+X=42 X+X=105 X-X=400 X-0.125X=8 =

2、 X+ EQ F(3,7) X=18 X( EQ F(1,6) + EQ F(3,8) )= EQ F(13,12) x0.375x=x+=4 XX12 5 X2.4580.365- EQ F(3,4) x = EQ F(3,5) EQ F(2,3) (x- 4.5) = 7 EQ F(1,2) x- 25%x = 10 x- 0.8x = 16+6 20 x 8.5= 1.5 x- EQ F(4,5) x -4= 21 X25%X=90 X EQ F(3,7) X= EQ F(8,9) 解：1123/4122/3x8/3 98x8/3 17x8/3 x8/317 x8/51 27x/153/

3、44/159/17 7x/159/85 x9/857/15 x27/119 3151/3152/5x20 56x20 11x20 x2011 x20/11 4 2x3x/76 11x/76 x611/73601265 28826148 5006-(502-80) 1051263525 864272312 45381624 500240386 648742 15 845153161249287 4508448 12 58+3764-95 9564-45 178-14556+42 812-7009+3111 85+1414+20826 284+16512-820818 120-36418+35 5

4、8+3764-95 (6.8-6.80.55)8.5 0.12 4.80.124.8 3.21.5+2.51.6 6-1.64= 5.38+7.85-5.37= 7.20.8-1.25= 6-1.193-0.43= 6.54.8-1.24= 5.83.87-0.13+4.23.74 32.52-6+9.7283.22.5 7.1-5.60.9-1.15 2.5 5.42.63.7-2.9+0.62 12612-7.2-6 1267.2-6 0.681.9+0.321.9 58+37064-45 420+580-642128 136+6465-34523 48.10.15-10.750.4-5.

5、7 388+(5000-1000) 158+262+138 375+219+381+225 50012471021232 181+2564+2719 378+44+114+242+222 276+228+353+219 (375+1034)+(966+125) (2130+783+270)+1017 99+999+9999+99999 7755(2187+755) 2214+638+286 30657381065 899+344 2357183317357 23651086214 497299 2370+1995 3999+498 1883398 1225 7524 138254 (13125

6、)(38) (12+24+80)50 70425 2532125 32(25+125) 88125 10276 5898 178101178 8436+6484 7599+275 83102832 98199 123181233+85123 50(344)3 2524+16 17899+178 7942+79+7957 7300254 8100475 16800120 301002100 32000400 49700700 124824 315015 480025 23561356721 123517801665 7527+192 5 31870+13310 4(2565+2528) 181+

7、2564+2719 378+44+114+242+222 276+228+353+219 (375+1034)+(966+125) (2130+783+270)+1017 99+999+9999+99755(2187+755) 2214+638+286 30657381065 899+344 2357183317357 23651086214 497299 2370+1995 3999+498 1883398 1225 7524 138254 (13125)(38) (12+24+80)50 70425 2532125 32(25+125) 88125 10276 5898 178101178

8、 8436+6484 7599+275 83102832 98199 123181233+85123 50(344)3 2524+16 17899+178 7942+79+7957 7300254 8100475 16800120 301002100 32000400 49700700 124824 315015 480025 21500125 23561356721 123517801665 7527+1925 31870+13310 4(2565+2528)1 2x+3(9-x)=21 2x+3*9-3x=21 27-x=21 x=27-21 x=62. (1-25%)x=72 75%x=

9、72 x=7275% x=963. x-40%x=3.6 (1-40%)x=3.6 x=3.660% x=66. 2-1417411 =2-1128411 =1072x+3x=605x=60 x=123.6x-2.8x=120.8x=12x=15100 x-x=19899x=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-x=10.5x=1x=21.9x+0.4x=9.22.3x=9.2x=425x-5x=1020-52020 x=100 x=580 x-40=(30 x+40)280 x-40=60 x+8020 x=120 x=680 x-3200=60 x+120020 x=4400 x=2201.50.061.44 0.75150.05, 0.40.80.32, 4203512, 2512300, 1350.5270 3/4 + 1/4 =1, 3 - 2/3 =7/3, 3/4 - 1/2= 1/4 1/6 + 1/2 -1/6 =1/2, 7.5-(2.5+3.8)=1.