=分数乘除法简便运算100题ok55692

1、分数乘除法简便运算100题（有答案）(1) (8 + 247 )X 3 x 9386151 2 6 x( 7 - 3)(4)(7)(9)235x -+ x9427(5)341237 x 35153( 21 x4 +103x -(6)6713 X 5 -1333433(8)二+ -x-+ -x-88787(10) 25 x 24(12)7_x 101-7888833(13)9X 99X 9(14)X 99 +55(15) ( 7 + 9)x 7 X 9(16) 3彳 X 25(17)3436 x 3555(18) ( 6- 9) x18"5(19) 263 x2(20) 325丄1 1

2、(21) 102 5(22)3747(23) 78787121(24) 99995(26) 59_54_5_129123433x -x-8787(28) 6337(29)(30)29(31)(32)25411(33)54 X(35)11(37)4811(41)(34)121824720.3752®11(36)11(38)1211(40)26519252125195781213242415712(43)33 5 3 4424 5 0.6353(44) 6.8 X 1 + 1 X 3.255(45)101 X 2555(46)+-X 1588(47)815(48)1 X6 +2 x 6(

3、49)(90 + )X丄37378889(50) 5 X 3 +5 X 57887A x A + A + W1516279(52) 18X( 4 +5 )96(53)1(54) ( 161丄)x( 2412(55)13(57)338x 1 + 仝 x11 113381(58) 3333(59)121252(60) 2(61)(3212(62)(25 +(63)182 + Z x -9 +16251616563 (521(65)f1)3341(66)(21 X3 +4X21)X丄7749(67) (99+ )- 910155311569亠9X(71)(70) 6510 °5144210

4、(68) 14 - ( - + 2 )X 2°5 4(69)( 5 + 4 )X 306 5(72) - X - X 5 1(73)5742452亠3XF56554 515(74)4 + ( 5 丄)+ 55 828(75)3 X 153 - 0.6 X 535(76)4(473 + 10(77)13厂(310X石)(78)(卷 + 3 ) X 15X 11(79)3714(80)4446 X 4445(81) 20082006X20074157(82)-X 22X 12(839139帀X万+帀X417(84)936X 37(85)11 1113 1313(86) X 101-252

5、5(87)(88)(89)17X(90)2006 - 20072008(91)3745(92)2004 X672003(93)73 X15(94) 166 - 4126 x空4131 3x 39 + x 25 +(95) 444/ 23、117(96)1x(2 -)+ 15-17341221(97)2000 - 2000 200020011993 19941(98) 1993 1992 1994(99)3 - x 25 2 + 37.9 x 625552 25 5(100)( 9 +7) + ( + )7 97 9分数乘除法简便运算100题答案:14-27+8_ 9x 3 x 9 =3133(

6、2)(8 - 312_19(3)6 x( 7 -2)1855515x 9 + 9 x6(5)2353_ 11X+ -X 94274 -3675(7)12X6 -X6 =1(9)3637 X35 =335=567626(6)X-X -= ,135135'133 34333(8)+ X-+ -X -=8 878746(10)25X246X(25-1)25192515310331(11) x + x -'=214214478 8 8 8(14)X：二 X =0'999977(12)X101-=70'10103 3(14) X 99 +=6055(16) ( 7 + 9

7、 ) X 7 X 9=92(16)434X25=95(17)3436 X 35(18)(18V =1(35+1)=343435(19)22632(20) 32534X 35倍+|(3吩(21)1035 -(22)75 =7 137(23) 787121(24) 9999=5(25)320 5 =12丄562(26) 5 91245 = 12912533433（27）8-8X -78 X 7=0(29)162 .6 _7-+37376(32)52828X- X315 =985(33):54 X(8 -6 )=3356(36)0.3752381111(28)63 乞=37 6222930(30)2

8、9 x(15X21 )=-(32) 2弓 X 4= 103(34)12182472 =1098519214193 =0(36)72525=195711751531(38)6848 =5871125(39)95911 =113 °3-88(41)88=64115(38)1264265(40)355_5(42)79123 13 丄4 2424 =73 45781574 3 =7501 1 丄79 12=533 5 3 4424 5 0.6(43)353=601 1(44) 6.8 X _ + X 3.2=2(45)5544101 x =16 丄2525(46)5+ 5 X 15 =10(

9、47)888(48)1x 6+ 2 x 6 =6(4937377(50)5 x3 + 5 x 257887 :=7A十8=1丄1515/ “ 1、11(90 +) X=1 -888988(51) 8 X +A + 10 11516279 =3(52) 18X( 4+5 ) =239622(53)X 7+土 X 5 =833(55) ( 5 X 4+4 )- 4 空7777 =7(54)(1 -)X4(24 -)=1兰612515(56)-(2 +1、1)X =353513(57) 33 X 7+令X 33 = 38(58) 3331 X 3 =10003(59)57_5_95912125 =9

10、(60)2 5253 456 =1(61)(32512(62)(25 +14=1034(63 )1897999X+X +2516251616 :=8543)=2063 (-(64 )9217=60(65)5 (丄-)3823423 =034121(66)(21X 3 + 4 X 21)X 丄=-77449 1(67) (99 + )- 9 =11 -10 9144210714 - ( 4 + 2 )X 龙= (68) 15531110(69)5 4(-+ 4 )X 30 =496 5569.9=11LC11-X(71)X 58 + X 41 +(70)651052888=12.54451145

11、234_ XX(73)X+ .=,(72)5742 =：1456553,、4/ 51 、5(74).-)5828】=43X 153 - 0.6 X 53=60(75)5(80)4177.23(5 +4 ).宁3+和=20(76)(78)(善 + 春)X 15X 11 =6746 X 44 =44444545113103(77)8X 2(5 X©)=32(79)37上=3印393920062006(81)2008 X,=2006200720074157_ 5(82)-X 22X徨=22(839 13949)X _L X =)10 17 L1017_10(84)9 _2836 X37 =

12、37(86)7X101-=282525(88)535159 X 4+ 5 X 4 '_911111320(85)X=1313333345355(87)7979999(89)17X91616 2007(90)2006 .=2006 X2008.20082007=(2007-1)X 200820072008 2008=2007 X-1 X20072007=2008-20082007=200620062007(91)44 X 37(92)2004 X67452003(2003+1)X6720031=1 X 37 - X 3745=36 845=67=20036720032003672003(

13、93)73 X 115816、1(72 +)X -158116172 X+X8158=(1- )X 3745=9151(94) 166- 4120411=(164 +) X2041=2000 -2000200120001411=164X+X4120411=42013263X 39 +X 25 +X4441333 CL326二X13 +X 25+X44413=-X( 13 + 25 + 2)4=3 X 404=30423117(96)1X(2-)+ 15十17341221= 2111121X 1+15X17121217=2111“ 1X(:1+ 15 )171212=21(97)2000 - 2000 200020012001=200020012000 2002200120021993 19941(98) 1993 1992 1994=(19921) 1994 11993 1992 1994=1992 199419931993 1992 1994=13