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1、六年级分数解方程练习题六年级分数解方程练习题班级班级姓名姓名成绩成绩 25%+10X=25%+10X=4 X-15%X=68 X-15%X=685X X3X X121 5X121 5X3 38552X X1121221734313X 3X=3X=36X6X5=5=4488X X2=77 X X7168X=X=3 4X 4X6 62=2=24312123 3X=X=3 X=X=258 X=X=1165 510105729651X X626=13 4 4x x3 3 9=299=291x x+135452526x x=4=43X X21212=4=4x 1x 202(x 2.6)810342 21
2、 13 36X6X5=5=X-X-X=X=4 46 638385 53 310105X=5X=15841921X=X=15 X X23X X14=12=1235X=X=2572X X6=2613354525 =144+=1024+=1022X+X+132X=42 X+X=42 X+X-X-38X=400 =8X=400 =84=155288X=X=1169651X4=30%=30%14X=105X=10536=3X43 31 13 31313X+X+X=18 X X=18 X(+)=)=x x=57 76 68 812126x x2+1=4=43 X3X125 X58328733215-x=(
3、x-=7 x-25%x=1045324 4x-=16+6 20 x=x-x-x-4=21 x-4=215 538X25%X=90 X X=解:(1)(123/479122/3)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)5288(2614)85006-(502-80)(10512635)25864(2723)12(453816)24
4、500(240386)64(8742)15(845153)1612(4928)7450(8448)12(58+37)(64-95)95(64-45)178-14556+42812-700(9+3111)85+14(14+20826)(284+16)(512-820818)120-36418+35(58+37)(64-95)(+)4=+=()=()+(6+)()()+126()-6126+(58+370)(64-45)420+580-642128(136+64)(65-34523)388+(5000-1000)158+262+138375+219+381+22550012471021232(18
5、1+2564)+2719378+44+114+242+222276+228+353+219(375+1034)+(966+125)(2130+783+270)+101799+999+9999+999997755(2187+755)2214+638+28630657381065899+3442357183317357236510862144972992370+19953999+498188339812257524138254(13125)(38)(12+24+80)5070425 253212532(25+125)8812510276 58981781011788436+64847599+275
6、8310283298199123181233+8512350(344)325(24+16)17899+1787942+79+7957730025481004751680012030100210032000400497007001248243150154800252356(1356721)1235(17801665)7527+192 531870+133104(2565+2528)(181+2564)+2719378+44+114+242+222276+228+353+219(375+1034)+(966+125)(2130+783+270)+101799+999+9999+99755(2187
7、+755)2214+638+286 30657381065899+3442357183317357 236510862144972992370+19953999+49818833981225 7524138254(13125)(38)(12+24+80)5070425253212532(25+125)881251027658981781011788436+64847599+275 8310283298199123181233+8512350(344)325(24+16)17899+1787942+79+7957730025481004751680012030100210032000400497
8、00700124824315015480025215001252356(1356721)1235(17801665)7527+192531870+133104(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=72x=7275%x=963.x-40%x=(1-40%)x=x=60%x=66.2-1417411 =2-1128411 =1072x+3x=605x=60 x=12问题里弄成+60 了 是等号吧)20 x=60 x=35x+6x=11x=x=8=8x=54x-x=243x=24x=8=1=1x=2+=x=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=22015,4203512,2512300,1352703/4+1/4=1,3-2/3=7/3,3/4-1/2=1/41/6+1/2-1/6=1/2,+=,7/8+3/8=5/43/10+1/5=1/2,4/5-7/10=1/10,2-1/6-1/3=17,19,4,15,612,