1、六年级上册分数解方程练习题精品文档六年级分数解方程练习题班级 姓名 成绩 25% + 10X = X - 15%X = 68XX121 5X3 X126X5 =13.4 3X=X= XX= 4X6=2 X= X = X = X = 4x3 9 = 29 x + x = 4X21=4 6X5 =13.4 X-X= 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 = X+X=18 X( + )= x0.375x= x+=4 XX12 5 X2.4580.365- x = (x-
2、4.5) = 7 x- 25%x = 10x- 0.8x = 16+6 20 x 8.5= 1.5 x- x -4= 21 X25%X=90 XX= 解:(1)(123/4122/3)x8/3 (98)x8/3 17x8/3 x8/317 x8/51 ( 2)7x/153/44/159/17 7x/159/85 x9/857/15 x27/119 (3)(151/3152/5)x20 (56)x20 11x20 x2011 x20/11 (4) 2x3x/76 11x/76 x611/7360(126)5 288(2614)8 5006-(502-80) (10512635)25 864(27
3、23)12 (453816)24 500(240386) 64(8742) 15 (845153)1612(4928)7 450(8448 )12 (58+37)(64-95) 95(64-45) 178-14556+42 812-700(9+3111) 85+14(14+20826) (284+16)(512-820818) 120-36418+35 (58+37)(64-95) (6.8-6.80.55)8.5 0.12 4.80.124.8 (3.21.5+2.5)1.6 6-1.64= 5.38+7.85-5.37= 7.20.8-1.25= 6-1.193-0.43= 6.5(4.8
4、-1.24)= 5.8(3.87-0.13)+4.23.74 32.52-(6+9.7283.2)2.5 (7.1-5.6)0.9-1.15 2.5 5.42.6(3.7-2.9)+0.62 126(12-7.2)-6 1267.2-6 0.681.9+0.321.9 (58+370)(64-45) 420+580-642128 (136+64)(65-34523) 48.10.15-10.750.4-5.7 388+(5000-1000) 158+262+138 375+219+381+225 50012471021232 (181+2564)+2719 378+44+114+242+222
5、 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)(38) (12+24+80)50 70425 2532125 32(25+125) 88125 10276 5898 178101178 8436+6484 7599+275 831
6、02832 98199 123181233+85123 50(344)3 25(24+16) 17899+178 7942+79+7957 7300254 8100475 16800120 301002100 32000400 49700700 124824 315015 480025 2356(1356721) 1235(17801665) 7527+192 5 31870+13310 4(2565+2528) (181+2564)+2719 378+44+114+242+222 276+228+353+219 (375+1034)+(966+125) (2130+783+270)+1017
7、 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 8436+6484 7599+275 83102832 98199 123181233+85123 50(344)3 25(24+16) 17899+178 7942+
8、79+7957 7300254 8100475 16800120 301002100 32000400 49700700 124824 315015 480025 21500125 2356(1356721) 1235(17801665) 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=72 x=7275% x=963. x-40%x=3.6 (1-40%)x=3.6 x=3.660% x=66. 2-1417411 =2-1128411 =
9、1072x+3x=605x=60x=123.6x-2.8x=120.8x=12x=15100x-x=19899x=198x=218x+2x=60(问题里弄成+60了 是等号吧?)20x=60x=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=1020-52020x=100x=580x-40=(30x+40)280x-40=60x+8020x=120x=680x-3200=60x+120020x=4400x=2201.50.061.44
10、 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)=1.2, 7/8 + 3/8 =5/4 3/10 +1/5 =1/2, 4/5 - 7/10 =1/10, 2 - 1/6 -1/3 =1.5 0.51170.03, 32.81951.8, 5.21.34, 1.60.4 0.64 4.90.73.43, 150.2, 6120.5, 0.870.490.38 收集于网络,如有侵权请联系管理员删除