分数混合运算专项练习430题有答案

1、WOR格式精心整理分数混合运算专项练习430题（有答案）(1 )丨 1 + 115飞(2)x -X-15118 111612(13一 + )15 5(6) 2-；8+(7 )7 II(8)r + x：397 - 116 71 Vx匚(9 ) iiX10 ) 1275%+ )15111011 13 9(12)-+ ir4 10(13 )T87 X;(14 )5 +7 .8-5+5+(11) 20 - k15 )1316 )17 )18 )19 )(20)(21 )(22 )(-1526- 3q r(IQ+ _ +*12 B 4 1249Ts+)k1J5.+ )13， 38 1.(23)WiQX

2、(24)7 312 X(25)X 7&(26)9 X9X7(27)(28)(29) (+(30)(31)(32)(33)(_(34)(35)(36)(37)(38)(39)(40)(41)(42)(43)(44)(45), wX(46)(47)+ ,9C +丄)7 1413 X 191851413:，(48)(49)(50)4 S7 232 ,11Tjx 87+12 k ,48 X( .：.：)，k:1(11X-()寻56士 2-=6 v 4X13124 XLi J 5 134.1-r (丄罟丄 v4 5淡X昭揺16 f87X862 1 4 3mm+k+, 1 6叶 1 X I 1?o2hJ1

3、 :k 7+_6 Is2 12+ 113 13x +)-+ ,7X ,专业资料整理(51)(52)(53)(55)(56)(57)(58)(59)(-(60)(61)(62)(63)(64)(65)(66)3-7呂 ,15 15： ?xj+ JI k 5,5 13)14(4+17 m13)x ,254 2亍53i 105+ k12 X-),1510011107.313：；）X ：,2618 X7 X)3313+SX 27亠 JO13 X 33 x 40+ i12:Jx( + ) +3793178 X21514172Tn+ )926133 3：(+ ),WOR格式精心整理专业资料整理WOR格式(

4、67)X 7+ X 11 ,(91)0.25X 19+5 X(115)+ X(68 )(92)X13 X 30(116)(-1)+ (69 )15+X,(93)X + X +(117)12 X(+ ),(94)X(118)X(70)X ,7.6+2.4X 0.6 .X ,(119)1X(71 )13 X+ X 15 ,(95)(-)X 36 ,+(120)(+(72 )87 X(96)X 32 X ,+)+ ,X(73)XX 32,(97)X- X ,(121)X +(122)(2 -(74)+ X,(98)3 - 1+)X 12 ,(75 )X 10.25+(99)XX(123)X +(10

5、0)4-(76)25 XXX,(-)X ,(124)6XXX 25 ,(125)-X(77)3-X ,(101)20 X+4X,+(78)r (+)+ ,(102)+4 X ,(126)16 X X( 9 X(103)23.6X 10%+13.6 X(127)XX),()910%-7X(79 )(104)+3.5(128)(80 )(129)(105)(81 )(106)10 -(130)(1(82 )(107)(131)(83 )(108)0.25+(132)(84 )(109)(85 )72 -(133)23,25 X(110)15 -12 -(134)18 -(86 )40X18X(87

6、 )(111)15 X(135)(88)(112)30 X(136)36 X(113)(89 )+40%X(137) 8 X( 36 X 125 )专业资料整理WOR格式(90) 1 -精心整理(114) 10 -15(138)211511121216148614卜:.1010103j201518112i：i11121219 221 21IJ11IJJI233耳j 5 3826 .53r：；ir-12 1211 315 4 15ir：4111515257123 121g is专业资料整理107 2WOR格式(139 ) 1 -(140 ) X + X(141 ) 87

7、 X(142 ) X 7 +3 X 25%-(143 )(- 40%) +X(144 )(145 )1-() ,(146)36+0.625 XX 36 36 ,(147)(+ + +)X,(148 )+ + + + +(149 )+ 28 ,(150 )X,(151 )(152)16 X ,(153 )+ ( +)X(154 )36 X XX 42(155 )(+ ) +(156 )X+X(157 ) (158 )X 8 +(163 )+ 7+X ,(164 )X9+,(165 )2- +(166 )( +)X 24 ,(167 )100-23.75-76,(168 )3+ +3+,(169

8、)7 +8.9+2+6.1 ,(170 )18X( +-),(171)+ + ,(172 ) (173 )X+ (-),(174 )48 X +37,(175 )-(-),(176 )+ (177 )-(+)(178 )15 - 5 +12 -,(179) - +-,(180) + + ,(181)(182)(187) X +(188) 86 X(189) X + 7(190)+ ( +)(191)+X5+)(192)(-+)X+ )(193)(-(194)X(+ )(195)+(196)+ 1 -()(197)4 + 1.25 + 8(198)X+X(199) (200)2 - -(201)

9、-(-)(202)+ (-),(203)+ (+X),)(204)X(+)(205) (- +(206) 7+X(183)(184)(185) 12X(+ )专业资料整理(207)X +,(208)36 X(+ )(209)X 58+42 +8,(159 )(160 ) 1-( + ) +(161 )(- )X45,WOR格式162 ）精心整理7-51-25-123一86-5-71 42-51- 441 8.9 13 9 l3丄212 201 22 62435114213130100S S& 7248s67785921223964194 725T2F 4 d工16J -11587138 2L

10、31 813191361312丄5132125s3Io2_1?7E5310S（210）421517W4a 21 1 53i712475 5 J9 7 93： 3 35 5 55丄rS4 4（卫理）卡 62（总一2濟鸟）X24834?5 21X 21匕子23536（号壬孚441112211专业资料整理4l L斤,&8501 575212534Z 5=13231 专.315.412131471313 g11 2 118* 5 55127124 1WOR格式(211 )( 15 14 XXJ 5 1 2(212)*-*(213 )(24 X ；)1+4,)3(235)(236)55(237)3211

11、5I +5，17.5 2.5WXX 5 ,(258)12. 25 =(214 )(238)(215 )(+I )9 X 17 ,(239)7+I?:(216 )IX .,(240)丄-(；111591(260)26 X(：；- )1,45 21(261)a -1 + ；)5 1216=(262)IX +X+3* 19(259)+ : X +_ ,(217 )(3 1*(241)+ x ),(23(218 )+1.75 XRI656：(219 )220 )(221 )(222 )5+(223 )(224 )(-(225) +87 X14 x4 + 4,F7XI *1：；241(226 ) 3(2

12、27)b(242)(243) (244)(9 *x,151.：)X1-112 i(263)(264) +(265)X(266)|+ 5 x :,八二：)X 24 ,Sxi Xl.2520 + 1_1+125%3 1 _5_我+P )2 13 v 5X0.3752(245)1.5(246)(3I11231(229) X-X,(230 )+16勺12 5195 X3-003191 358 2048(231 )12.5 ,(267)( )X(3 4+217(247)4(232 ).(233 )(234 )(5 2Q 721 12(248)! 1135r 125Q11 8?)X(1+),)X +(24

13、9):4X ( +18(-)61 4)厩乍6(268)(270)(271)(272)(273)(250)X(251)+(252)(253)(254)(255)7- 1121111L4 624 * 6X(256)() X 35 ,专业资料整理(274)(275)(276)(277)(278)(279)(280)WOR格式精心整理专业资料整理WOR格式(281) 19*( + )X5 4(282 )： 7.8+ XZij fa(2.75+1.25(304)丄(.),96 9(305)4 轡3 20(306)5-1 2 m- ，8 4(328)(329)(330)(283 )(284 )(285 )

14、X(286 ) X 4.9(287 )(288 )12(289 )X(290 )(291 )(-(292 )(293 )55(294 )X(295 )24,(7.5+354二 X 6.315(307)(308)-)-,(309)(310)1210(311)(312)(331)824+24X ,0(+ )X 48i4- 25，no17(332)(333)(334)(335)(336)+1.825+ 111 1 i0.6 : 1j!睜 +60%X)20-)+ -2. 1I9(296 ) 5+(297 )(298 )+8Z 1亠x (sd J99+(299)Ifi-(300)171 -(301 )(

15、302 )(313)(314)(315)(316)(317)(318)(319)(320)(321)(322)72 X16(337)X ,I X 3-(303 )L C5 J：9 49/1Xo JidO r / -1432 ,21XV q-TVBrgX ,CJ4488 X9BF=+1014X+544(323)112 0(324) X*71(325)!16 X12-Ai(326)X 16 :，16：6 8,r (X 24专业资料整理 + + X4 9客3- -( + -),105 10(330 )7442(25+) X(15 - 14 X7)怨，5 /-(+25%)5634-一6s? &+1-)

16、,X 2420.625 X 9.6+62.5% 一 j|511155 5,(327)WOR格式(338)9 +99 +999 +9999 +X 4,(339)(-+)X84+101,(340)3.5 X1 +0.35X 10+2X350%(341)2 +(3.4-2) X4.5(346) 6 - X-(347) 1 -( -)+(348)(349)(348) 5+3.6 X 2.5+ 0.48(342)(343)(344)(345)精心整理专业资料整理WOR格式(351 )闕4X2(374)( 352 )299却(299+兰型300(375)x 1+3 ,(353 )(354 )x 2r133

17、.6X1(376)11219(399)7+ x95_9 H(400)9-一 2877(401)I-丨22551.16 ) x 1.3一 + 16.925 s+?+(357 )(-+:_ jx 12( 377)(378)-I199x100(379)(380)(381)(358) 7X + 7X(382)(359 )1.5715 . x07+3? +丄,3: 7Li3-13 4x 3.6 ,；x 1 -4 9140.44+ +1 丄x 2122+2-1)*(1 +2.4(360 )(383) 156x(384)48200(3.0639 ,(361)xlo(362 )(363 )(31(364 )x

18、 3.6+5.2(365 )x 0.5+1.2为(+(366 )(711.32 a +1.32 )( 367 )89 x(368)5 15IHr(369)5* 4x7( 370 )(371)( 372 )(+)0.25+2.76(385)2.4(386)(387)x(388)350%,(389)(390)(391)(392)(393)(394)(395)(396)c-1x95x1215*( 3-4* Ch+ -,101114 =:.!)x 0.2 )x x 0.21015x184；1810+ 15 10专业资料整理(402)-+ -54 15(403)+:)0x,5 67(404)13.2-(3.2 x 30.8 ),(405)- F(,-)x12,98 1_1(406)x 45+ ,5 I5 ：7_(407):-x ,霁21(408)8 7;；v 56(+二【，13 42 3(409)(rff-711 -(410)(411)(412)(413)(414)(415)(416