分数乘除法简便运算100题(有答案)

1、分数乘除法简便运算100题（有答案）一,84、(1)(9+27)x3x9(2)33(8-8)6155、1一2、(3)6X(7-3)(4)5X9,U、2353(5)9x4+27x4(6)/_、75(7)12X6-12X6(8)338+843X7+83x7(9)37X_335(10)云X24(11)153x-+214103x-214(12)祐X101-7_105206912912(13)(14)3X99+355(15)X7X9/、4(16)35X25(17)3436X35(18)(18x一5(21)(23)7(25)(19)x2(20)3255x-61035(22)(24)(26)33684812

2、6424243(2%X7-X7(28)633762(29)(30)29X(1529x)31)(31)x3X153(32)254X411(33)54X(35)11(37)(34)121824720.375211(38)(36)1119251321251943(50)5x3+5x5788743265578157345353344240.6(43)3536.81+1-八4(44)沧2(45)101。5525(46)-+-X15(47)88f8815(48)1X-+-X-(49)(90+1)X3737888971125(39)95911(40)3355511-8-812(41)88(42)797911

3、2兰X史+51516(52)18X(-+-)96(51)1027(53)2X7+23X5(54)(161)X(24-)12(55)4)71(56)155)113(57)3874x+x111133(58)1333x3(59)1212(60)(61)(3212(62)3(25+-)4(63)18259799X+X+162516161623(75)5(64)63(I43217(65)一34_、1(66)(21X3+4X21)X17749、一(67)(99+)士9103)10X11(69)(-+-)X3065569_9(70)6510 5(72)4-:54X7x54_12(74)455(_一8)253

4、，一、11一1(71)沔8T%18884523(73)X十一+56553八cX153-0.6X531623(75)51(77)83310 x7)73_916(89)17X9111113(84)36X37(85)石-13X3337131333774535(86)一刈01-(87)-2525797941(76)房+47+而(78)(X15X11(79)371439八44(80)46X45(81)200850074157(82)7x25X1591394）布X石+祐X衬1(77)83310 x7)73_916(89)17X/cc、5351网9X4+9x4(91)44X3745(92)2004X6720

5、0311(93)73X158(94)166+4120139+(95)4263/413(96) 1X(22-)+15+17173412212000(97)2000+20002001199319941(98)199319921994(99)33X252+37.9X62555(100)(92+72)+(-+5)79796_25分数乘除法简便运算100题答案一、，84、(1)(9+27)X3X9=3133433(8)8+8X7+8X3=(25-1),、12(3)6x(7-1918(4)55X&+9X235(5)9x4+27x113667626(6)希X广希X5=希(9)337弱=335一、6-(10)

6、云X241915(3崂6=525(12)152110213_147（12）10X101-=70(14)(16)(17)8X=0993(14)599+3=605(4+8)X7X9=9279(16)435X25=953436*弱(18)(5189)xT=1(35+1)34X35”34=3435(19)x2(20)3255x-6(25+5)X3=51=27311(21)仍25=1735551(22)7=7-73747(23)7878=77J2J(24)9999=5351(25)3205=1215621(29)-32(3*)为2930 x(15X31)=-545=129129125823=955511

7、188(32)(32)3254X4=10311(33)54X(34)12182472=109(36)110.37523193=0(36)25211925=19-75(38)6111348=58(38)122424=711(39)911=(40)(42)265578157113=750=64(42)79127912=5823=9555111881415(63)坦x旦+二x旦+-992516251616=85353344240.6(43)353=60(45)6.811+1沧2=2(45)4101U=16-552525(46)-+5x15=10(47)8_81-8=1881515)(90+【)x=1

8、888988(50)5X3+5X57887=7(48)(49(51)旦x邑+且+1011516279=3(52)18X=231415(63)坦x旦+二x旦+-992516251616=8/e37,433(57)3x+x3=38111188一15(62)(32X1+17)士412=60(53)2X7+2X5=8(54)(-一【)X(24-)=16125(55)(5x4+4)士4127777=7(56)1士(-+-)X-1=3535135二295912125=9(60)25253456=1/、1(58)333x3=10003(62)(25+)4111+44=103454363(-)=20(64)9

9、217(65)511316_()823423=034121(67)(21X-+-X21)X-=774491(67)(99+)-9=11-10C(69)(_+)x=1553111054(69)(-+-)X30=4965X:=(71)X58+41+一(70)651052888=12.54451145,2.34(73)XX(73)-XIT5742= =14565531)2583(75)5X153-0.6X53=60723+=10201(77)81310 x【23*&3)=322314-31(78)(房+看)X15X11=67(79)37弱=3赤、e一44(80)46X=4444(81)2006200

10、8磁2006=200620074x15x172=22(83)_910(84)36X9=372837(85)1113111313X332033(86)X101-二=282525(87)5_7979一9200311(93)73X1158(72+16、1)15X_872x116+X1581581(94)166-412041、1=(164+)X20411411164X+X412041,1=4205351_5(88)9X4+9x4=99(89)17X-44(92) 2004X_674520031=(2003+1)X67452003167671X37-X37=2003X+1X452003200367=67

11、(91)8do45=3(95)1-X39+4X25+426w4_3“3326x13+X25+X444133,、=_X(13+25+2)43=-X404=3021、11 “1、/21X1+15X一1712121721一.1、X(1一+15)17121221(97)2000+2000-200020012000200120002001-200120002002199319941(98)199319921994=(19921)19941199319921994=199219941993199319921994=1(96)1X(22-3)+15+1734121721=2000+=2000=20012002=3+25-X6-+12.5X6555(99)3-X252+37.9X6252X255+(2