分数混合运算专项练习430题

分数混合运算专项练习430题

(1)=N+£x至

15・5159(⑵加-兄

(2)1x12-1x11(13)87x1

81181288

(3)1^x34--(14)至+5+5+至

5599

(15)青等#)

a-(H+2)(16)2—至二

(5)13155362

⑹2管看片(⑺/割

王：8+」X-L(18)

(7)12812各i得*

(8)工(19)4二(2.2)二1

949119353

(9)Ex_l+Nx卫(20)2(2-2))7

2019201915565

(10)12X(75%+多(21)424-(邑W),

657

(11)20—(22)3)-1

94284

(23)(35)24X

12X(2+心),6—.5

(24)(36)13X5473^1

510

(25)*><7+2x7,(37)I，K

99

(26)9X-14-9X1,(38)96X帚)

99

(1+A)+工,(39)87X噂

(27)71414oO

19（4。）捐+耨

(28)>-^

(29)(2+E)X32,(41)&7+」X&,

4813713

7二2二7(42)2

(30)—•—•—,-^i-f

938

(31)-1x87+124-11,(43)fx(tf+t

113

(32)48X(11-至^)，JxX-？,

2412直(44)713137

(33)铲巴义（起）］，(45)OQ_-7-_18—9

1515

(34)[1-(1-1)]xJ,(46)至X3+&5,

24313513

(47)(1-1)(59)7X13X(J-JJ)

3426713

(48)_?+(J+1)x_L,(60)查X40

3722539

(49)4x2+(£・&),

63515(61)3934

(50)(2-_1)X100,12x(揖2)+J

425(62)5645

78XJ.

(51)2xlZ+—5xZ\—29

711117(63)79

(52)3义10+5=11-2.4-(芬工)

811810(64)15415

(53)

64

(54)(66)—4-(—t—),

T"x免933

(55)*27智X-L,(67)&X7+至X11,

99

(56)-Lx-Lx18x2^侬）…抬）】制，

13187

(57)Jx13+2x27(69)(15+至)X-2,

44715

(58)揖4X5+4X2(70)-x

888li7

l3X_^+Cx15,7,3.1,3

(71)，

1414(83)8-11-1

l264

(72)87x2—zx\IIZxx'9

86(84)4913

(73)1x1x32,(85)3X72-至X23,

4877

(74)IM

(86)£X25X40XX,

2025

(75)—5zx\—lzy\—1,

646

(76)25XIxJxA,

3510

(87)国・(1+1)

754

(77)34-1-lxJ.,

2410

(78)(揩号

(88)揖(当身

898

簧7鸣

(79)

日X4

(80)207

(89)-1-(J-A)

12312

Jxio-Jxio,

(81)5353

(1一孕告x|

(82)

(90)

74

X19+5x1（97）韶-斜，

4

(92)-2X13X30(98)3-1工旦

151111

(93)2x2十2x2十出(99)出e2十9

74787636

(94)WxX(100)[4-(2-2)]xA,

54g29

(95)(王■宜)X36,(101)20X-L+4X-L,

6181212

(96)2x32x9(102)-5-rl+4xJ,

48848

(io9)3-m,

XX910%,

434

(104)(1-1)XJX8,(110)15-5+12-工

24412

(105)+(111)15X2^国

^fi84

(106)10-JL-至,(112)30X(2+1-A)

12125615

(107).5+J-J+l；(113)-2X_L+40%X_§.

858551313

u+a&(114)10-(2+EX2)

1541555

(115+X(121)Jxl+Jx-2,

4IT-15353

(116)[(1-1)(122)(2-」+至)X12,

55496

(117)12X(.3+1),(123)

423553

(118)2xl-^2xl(124)6X2X』X25,

525256

(119)(125)

啜驾\3355

(120)(&32)4-1,(126)16X2义(9X1),

373738

(127)(1-1)],(133)!+”+为,

94164969

(128)6工*乜二W(134)18-18X1,

2536

除2-8

(129)—/x—•I,(135)—»

9515599

(130)I*-(J+l)x_L,(136)36X(2+JL)

37225912

(131)-A4-7+lxA,(137)8X(36X125)

13713

(132)7--A-11,(138)2--Lx至+』

151541072

(139)(1-(145)[1-(且」)]

874

(140)llx1+」x-LX36+WX36-36,

899188

(141)87X且(147)(冬工十揖卫)X-L,

86913913100

(142)7至+3^X25%-工(148)ii_L+_L+_L4-_L+_l_+_^

477426122030425672

(143)(工・40%)+2x至(149)%+28,

55435

(144)(150)11x21,

4222

(151)(157)7二2二7

>f8,3*-8

(152)16XM(158)至X8：」

4099

(153)宜+[(2+2)X-L](159)24X)

54720

(154)36X^XAX42(160)[1-(1+-3)]4-1,

7724g4

(155)(161)(1-1)X45,

福)”35

(156)&X卫+_lx出(162)x

7447>fl17

(163)-A4-7+1XA,(169)7型

1371366

(164)1X9+1(170)18X(1+.5-1),

99396

(165)2(171)工_1十_1十_L,

-^i-i12203042

(166)(lxl+1)X24,(172)青-2-里,

2时631717

(167)100^--762,(173)2X[1+(J-1)],

5410854

(168)3。7+3工+Z(174)48X&3+7,

87877

(175)包-(181)

524

(176)A+1-1,(182)二•—11y

1053q啮12

(177)(2+2),(183)X24,

963144

(178)15-54-12-X(184)至X2力1++2二2,

1277,21

(179)-J+J-J,(185)12X(2+工)

979736

(180)乜+乜+工(186)24XA-J

555368

也小义遂-卫)

(187)_Lx(193)X钠，

101632416

(188)86X_1(194)Jx(宜T

85512

(189)Axl+-^--r7(195)_5+_7_^J

17717"6l2"2

(190)Z+(乜+2)(196)-

5453

(191)1+5+2X],(197)4X8

335

(192)(卫-工)4-A,(198)也X」_+&x

481291313l

11_2_1(205)(-2-1)+9

(199)--------——9

1855346

(200)2-工工(206)3+7+」X旦

121213713

(201)-A-(207)与

15157955

(202)瓦(3」),(208)36X(2+工-乜),

8510364

(203)A(1+JxJ),(209)1x58+42+8,

55478

(204)A4-[_^X(Al)],(210)

147361111

(211)(15-14XJ)xX(217)3-14-心+%」),

721773

(212)4二5一1二5，X国+_lx1+」,

582871444

(213)24X(J+J),(219)87X-1

8486

(214)()(220)至

vHV61518

(215)(2+至)X9X17,(221)24X(2+工+工)

51188612

(216)(222)1!5+2义」

335

(223)2x7(229)—3\zz\—2二«—3z\\z—2,

974545

(224)(3-J.)x(2+1)

(230)6*

41693犯

(225)十」(231)5X32X

3934

(226)3-1X4I-1(232)

(227)(J-J-)](233)心-2二工)x(1+2)

6510840123

(228)I^-13+^XA,(234)

5513士）X看看

(235)324---(241)(

51-f,亮

(236)(242)6.6二2乂1

铲5/4,7736

(237)A+5XAa^_X5,(243)--T-[(2J)X—],

1111F53飞13

(238)(-1-1)X84-1,(244)(91-7^)X21-11

16464522

(239)3+7+2X-L(245)“lb半X黑X3.003

13713

(240)1204-[-1-(1--1)],(246)(3+4-1

11118ii

(247)§二(253)12出-5至-4国,

802101261111

(248)Jx(1Z-J)(254)24国+6,

41897

(249)4X[(冬2)-rG](255)12x7+12x7,

6355

(250)WX_L+3+15(256)<|+^)X35,

7157

(251)(6・2x32)+2(257)4-?xJxilxJ,

843537

(252)(258)12.25-(6米2.25)，

5828

(259)受gx2+W(265)(Xilxi+125%,

8854848

(260)26X(互-工)4-A,(266)204-[1-(-1+A)],

13153043

(261)(—-—,(267)[2-(1---r1—]X5—»

9123363128

"乂工+卫义”+3：19,

(262)(268)5404-12X9+482

19171917

由）仁+衿

(270)

(264)(至-工+工)X24,(271)75%义至二

641212•

(272)5.2.3乂5,BN犯破)X24,

14376

(273)2件壹(279)3-TT5-f

(274)xxx(280)3x_l+l-r7,

i4Hi474

(275)1,(281)194-[(l+J)X至],

TX5XIS,546

建二」X

(276)(282)%,4

…一苧

(277)66*)义12,(283)

(284)(290)

1534空若-尹玲

(291)

(286)与X-Wx(292)19-r(热石),

7746

(287)[卫+(1-心)]4-40%,(293)55也+11,

541014

(288)122+2XIX1^4-60%X-A+JXA,

4542525525

1)X3产(295)(1+1-1)X24,

386

(296)5X(A+A)-A,(302)(

152012ti->

(297)1-(J-1),(303)

996

(298)m,(304)9-(6

585

(299)2-Zd,(305)4二2=9

933320

(300)1-2-2(306)5工二2

5584,

(307)984-(2二2)

157

(308)1x24+24X-?,(314)以X3+2

9955

(309)(i+J)X48,(315)(5-lxl)要

689236

(310)121+25,(316)(卫心X32,

448

(311)&彳工,(317)ixJ+Jxl,

78779494

(312)A4-23+AxJ-,⑶喈“乳,

172317

(313)25二5二4(319)88X(H),

9458曲

(320)-5x1x16,(326)114-[(5-J)X24],

48368

(321)(327)Wx&N+E,

59107578

(322)44-72xZ,(328)冬刍冬工,

124933

(323)14V1.x14(329)

五X14+正

(324)-^X16X1,(330)(330)^x--r-，

48744

(325)W+12+-L(331)(25+工)X4,

8163

(332)(15-14XJ)(338)9冬99&999&9999a4x4,

72155555

(333)(心-25%)X83至x&,(339)(X-&+至)X84+101,

86214728

(334)2十1个(互-王),X1-2x10+21x350%,

56833

(335)百N-E)X24,(341)[2-2-?)X4-1-1,

63410315

(336).?+(乜■])X-5-,(342)5

35618十°・。5

XX.2,(343)78-4.5-22-45-7

52

(344)2-(6乂-2.5)+3X4-

(345)"/25乂,得(351)225

448

(346)6-^xl-1(352)299+(299+-|^)

326

(347)(1-(_!」))7(353)

1218S

(348)—1X23++(32XX

813,261255

⑶9喘(355),+_l_i_L+…+-1—

1x22x33x499x100

(356)2(362)74-J.-J.4-7,

51051010

(357)(1-1+1)X12,(363)IxJ-F(J-A),

34634412

(358)7X1+7X2,(364).AxXX50%,

772

(365)区-(2+J)"驾

3544

(360)(J---2)+2,

105311

(361)2X31+J,

(367)89x(373)区-(1+1)]4-±,

f63612

(368)—3二•9二5,(374)(£-_1+」)X42,

8467213

(369)宜+4X国,X1J+3-1,

4978

(370)xg(376)1上・义茂,

15515g1219

(371)（男■务］,(377)151x7+3-24-1,

I叫48337

(372)2X(工+工)4-4(378)3-1-lx

5239134

(379)Jx114-3-?,(385)[3^4-(3-xJJ)]X

495525

(386)-1,

525643

(381)[十2J-X22-22十2,(387)25X-lx2二卫;

6143442759

(382)(42-2工)4-(11