=分数乘除法简便运算100题ok-分数乘除法100道

1、分数乘除法简便运算100题（有答案）(1) (9 +27 )X 3 x 91 2 6 x( 7 - 3)心、2353(5)2 x4 +257 X 3336(2)(3-8)x155551(4)6x 5+ 9x 16762(6)13x S''13x 2 12 x 6 - 5 x 63 3433（8）8+8x 7+ 8x x(9)37x335(10) 25 x 24153(刃x4 +103x(12)7_10x 101-7(14) I x 99 + 3(15) ( 7 + 9)x 7 x 9(16) 3害 X 25(17)3634X 3555(18)( 6- 9)x18"5(

2、19) 263 X 112 5(2°)325 X 6(21) 10 2 5(22)353 74 7(23) 78 7 82 12 1(24) 9 9 9 95(26) 595 412 95123x-76337(29)528(31)8X 2X 1585(33)54 X(9-6)(32) 254 X 411751(34)12 18 2472(35)8 1111531(37)6848(38)3 0.375 2 38519 21 “4193(36)7252511 5 ? 13112 6 4 24247112 _5(39) 959 11(40)265 4578 3157 43433(41)85

3、5_511丄7912791233 5 3 4424 5 0.6(43)353(44)6.8 X1 + 1 X3.2(45)101 X455255 58(46)+ X 15(47)8-88 8151626、/ 1、1(48)X- +X-(49)(90 +)X 一37378889(50) 5 X 3 + 5 X 勺7 887(51)8 « 5 丄 5. 101516279(52) 18X( 4 + 5)9 6(53)1(54) ( 16112X( 24 -)5(57)x 7 + x 3311 11 8(58) 33313(59)121252(60)2(61)(3212(62)(25 +(

4、63)1825+ x + 16251616(64)63 (i(65)3(11)1623(66)X 21)(67)(99+(68)兰宁(4 + 2 )1553(70)(72)(74)(76)6x_ 510 511(71) - x58+ -88X41 +4x7/41 、7(5+1)十 77+17015X 11(79)(80) 46 x4445(81)(82) 4 x 2f x $(84) 36x_94 5(73)x5 635 (75)1(77)1x 153 -0.6 x 531310x 飞 x "9-)14373920062008 x007(83)91394亦x乃+亦x石(85)1111

5、13 x 1313 33(86) X101- 2525(87)/CC、 5351(88) 9 X4+ 9 X4(89) 17X916(90)2006十 20072008(91)44 x37(92) 2004X45672003(93)73 X 1158(94) 166203"263X 25 +X 44131 X 39 +4(96)1 X( 2 - - 3 ) + 15 丄-1717341221(97)2000 - 2000 200020011993 19941(98) 1993 1992 199455+ 37.9 X 6 25(100)(9-+7- )-( 4 5 * +5 )7979

6、分数乘除法简便运算100题答案:(1)+27 )x 3X 9 =31(3)2(7 - 218(5)5+27 X1136(7)_5126 =1(9)37X 35 = 3 353535=5(11)些 X 3 +214103X214(14)8X 9 =04X73+_83X7(10)625625192524(25-1)(10X 101-10=70(14)3X 99 +=60534(17)36 X 355(18) ( 6-5189)X Is =1=(35+1)343543 -33-X2- 36225(2°)322 X 5/5、1=(25+5 )X -35=5 1=27312(30+12 )11

7、 1(21)102 5=17374 7(23) 7878 = 8735 551(22)7=7丄77121(24) 9999=5545 _,121 1(26)-91291253(27)8 -3X 3 =0(28) 63 37 =37376262(29)(30)29 x(15xI9 )3031/、5282(32) 5X3X=159(32)X 4= 103(33) 54X( 9 - 6 )=311 Z _5_(34)12 18 24丄72 =1090.37519213 =0(36)2525531(38)6848 =5871125(39)95911 =53 °388(41)88=64115(

8、38)1264265(40)3555(42)79123 45781574 3 =7501 1 丄79 12=533 - - 4424 - 0.6(43)353=60(44) 6.8=2(45)10144X4 =16 丄2525(46)5 + -8X 15=10(47)8A .8=1 丄1515(48)13x67(49(90 + )X = 1888988(50)(51)空X5 + 5 +10145(52) 18X( 4+-)=231516279 =:39 6(53)2 X 7+2 X 5 =8(54) (1 -)X( 24 - 4 )=1上33612515(55)(5 X44 ).4121(56

9、) 一(2+1)>丄=377 77 =:753 513(57)33 X7 +兰x33 =331(58) 333 X 3 =1000811 1188312125 =2(6。)-456 =1(62)1 + 1 144=10341897999(63)X+2516251616 :=854363 ()=20(65)(64)921751138(2 扌 J1623=015(61)(32 X 丄 + 17)-412 =609 1(67) (99+ )- 9 =11丄10 95 4(69) (+ - )X 30 =496 534121(66) ( 21 X + - X 21)X 丄=77441442107

10、14 - ( - + - )X 匕=(68) 1553111056991-4=(70)65105244511x- x一(72)5742 =14111(71)X58 +X41 +888 =12.545 ,234(73)+=565534/ 51、.5(74)-)-45828】=4417723(76)(5 +1)+ _ +3 + 10=2023(78)(15+ 11)X 15X 11 =674444(80)46 X一 =44 45455 X 153 -0.6 X 53=60 (75) 51 13103(77用 X 2 -花X 6)】='32(79)37 14=3印3939(81) 2008

11、聽=2006遊2007200741575(82) 4 X 25 X /坛(84) 36X 37 = 283737(86) 01- =28252553515(88) 9 X4+ 9 X4=991394_9(83)19)X 17+10 X仃：=10(85)1111 、,132013-畐X33=3345 355(87)=79 799=昇(90)2006十 20072008=2006X20082007=(2007-1) X20082007=2007X2008-ix200720082007=2008-20082007=200620062007(92)2004 X _62003=(1- )X 3745(2

12、003+1)x672003=1 X 37 - X 3745=2003=36 45=67X旦200367+ 1 X旦20032003(91)44 x 3745(93)73 X -15816、1(72 +)X -158116172 X+X8158=9 -151(94) 166- 412041、1=(164 +X 20411411164 X+X4120411=4 -2013_263X 39 +X 25 +X444133* c 3_ _326=X13 +X 25+X44413=3 X(13 + 25 + 2)4“ 231(96)1X(2 -+ 15 173412= 21,11“ 121X 1 一 +15X17121217=21宀11“ 1X( 1 一+ 15 一)171212=21=30(97)2000 - 2000 2000200117212000 2001 20002001=200020012000 2002200120021993 19941(98)1993 1992 1994(19921) 1994 1199319921992 19941994 199319931992 19941(99)3 3 X 25 2 + 37.9 X 6 2555323X 25+(25 2+1