1、王浩祝大家学习进步 六年级分数解方程练习题(一) 姓名:25% + 10X = X - 15%X = 68 X= X12XX121 5X3 3X= 4X6=26X5 = X= XX= X= X = X = x + x = 4 X = 4x3 9 = 29 4638X21=4 6X5 = X-X= 5X= X= X= X= 李思龙祝大家学习进步 六年级分数解方程练习题(二) 姓名:4+=102 X+X=42 X+X=105 =8 X-X=400 X+X=18 X( + )= x= x+=4 XX12 5 X58 x- 25%x = 105- x = (x- = 7 x- x -4= 21 X25
2、%X=90 x- = 16+6 20 x = XX= X=X=12 X= = =30% 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(2723)12 (453816)24 500(240386) 64
3、(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) (+) 4= + = ()= ()+ (6+) () ()+ 126()-6 126 + (58+370)(64-45) 420+580-642128 (136+64)(65-34523) 388+(5000-1000) 158+262+138 375+219+381+225
4、 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)(38) (12+24+80)50 70425 2532125 32(25+125)
5、 88125 10276 5898 178101178 8436+6484 7599+275 83102832 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+22
6、8+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 8436+6484 7599+275 83102832 98199
7、123181233+85123 50(344)3 25(24+16) 17899+178 7942+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= (1-
8、40%)x= x=60% x=66. 2-1417411 =2-1128411 =1072x+3x=605x=60x=12问题里弄成+60了 是等号吧)20x=60x=35x+6x=11x=x=8=8x=54x-x=243x=24x=8=1=1x=2+=x=425x-5x=1020-52020x=100x=580x-40=(30x+40)280x-40=60x+8020x=120x=680x-3200=60x+120020x=4400x=220 15, , 4203512, 2512300, 135270 3/4 + 1/4 =1, 3 - 2/3 =7/3, 3/4 - 1/2= 1/4 1/6 + 1/2 -1/6 =1/2, +=, 7/8 + 3/8 =5/4 3/10 +1/5 =1/2, 4/5 - 7/10 =1/10, 2 - 1/6 -1/3 = 17, 19, 4, , 15, 612,