分?jǐn)?shù)乘除法簡便運算100題(有答案)

1、分?jǐn)?shù)乘除法簡便運算 100題（有答案）84(1) (9 +27)x 3 X91 2(3)6 X(7 - 3)2353(5)-X+ -X9427475(7)12X6 -12X 63(9)37X3515310）33(11)21X-+ -X-4214'48888(13)9X99X948(15) ( 7 + 9)X 7 X 934(17)36X2 1(19) 263 X 5丄1 1(21)102 53 747(23)787833688 丿 155 551(4)X- + X'丿 6 9966 762(6)X - 8)_ +_X-+_X887876(10) 25X

2、 2477(12)亦X 101-1033(14)55X 99 + 54(16) 35 X 255 518(18)(6- 9)X525(20)；325 X 63555(22)7712 1(24) 9999gCXIL 9 ;(168X)(寸 g)(CXI9)88(4+06 )9L8 * 8(2.寸)gCXIJOL (9 寸)(4寸)(6寸)(0寸)gCXI60C0)L (90)6 I LCXI | COXm卜 I CXICO I 9co96oCXICXI6 卜CXI9L 9L 卜 + X 0L g 98 卜 8 8 卜 H x>l+>lx Holxzorx89L X 十(eg)09)u

3、oo寸)CXIOX+-IX°09 (寸寸)寸寸8)1008)100(co寸)(L寸)(6CO)co | ooio I 9cog'cooco | 00coCO |卜Xco i ooXCM I COXm i ooCXI I CO+9 |卜寸I卜Xco i oooCXIco坤卜CXI> | io0CXICOCXI6 卜 6 卜 (卜8) gcog 寸00 CL CL X (98)CL LL LL+ 弋 XI5(E6 CL 68000(L8)900CXI卜co(6 卜)i ig ) X9OC9L X CO I LDX o卜)寸81+ L寸X89 X (L卜)00 Xg 9(1-

4、I+ M ) (69)寸 g、OL，才+66)(卜9)CXI8 工>l(99)(09)e X cococo(89)(-1+2(99)gCXIgCXI-I10L X-I(98)I?x9e (寸 8)lxlx 4 (08)卜 9L 寸g寸51X9 寸宵)LL X9L x(l+|5)(8 卜)l?+r(異 g) (9匕 卜 卜 L 寸 8CXI8 g (X * (-IX) 一*rI(寸卜) g l g 寸CXI寸卜 g、. X X d l g 寸 寸0 L 9 9 (0匕 6 9 9cog 9L二 J g9LM + d X I +HL LCXI( co寸9L gCXI段XLCXI)(99)&g

5、t;lco9(寸9)gCXIX?|CXIL 寸才 *0 +-I僉)8 二 cox co寸LL 8+ x co1X101)09)(L9)(69)Qg)(gg)5351(88) 9 X4+ 9 X49(89) 17X 16(92) 2004X672003(91) X 37451 1(93) 73X -1581(94) 166- 41203"263X 25 +X4413丄 X 39 +(95)4(96)1 土 X( 2 2173+ 15 121721(97)2002 2000-200020011993 19941(98)19931992 1994(99)33 X 25255+ 37.9X

6、65(100)( 92+72).( 5+5)7 979分?jǐn)?shù)乘除法簡便運算100題答案(1)+9 27X 3 X 9 =31336(8-8)X屆=°(3)7 -1918235X+X9427(5)3411365 5(4)_ X_ +'丿696 7(6)X135515X =-9696 2 6X 一 =1351375(7)x 6 -x 6 =1121236(9)37x=3 3535334333(8)-+-x-+-x -='丿8878746(10)25x24（153103x - + x-2142143=14=76=25 x(25-1).19=5 2577(12)x 101-=7

7、0'1010(14)x_ 8x 9=°33(14)二 x 99 + - =605548(16) ( - + - )x 7 x 9=9279(16)35x25=9534(17)36X 355518(18) ( 6- 9)xN=1=(35+1)3435=34聖35212(30+)(19) 263 x=5】3111(21)10253747(23)7878=8717351(25)3205=12 丄562=27(22)(24)(26)3512=7丄9=5121233433(27V 8 x7- 8 x7=°(29)1 - 6 + - = -373765282(32) 一x _

8、X =-'32)8315985(33) 54X( 9 - 6 )=33560.37523(36)81111531(38)6848=5871125(39) 95911 =-5113 °388(42)88=6453533-4424(43)353(45)6.8 X1+ 1 X3.2=2555(46)-+ 5 X 15=10881 .62、/ 66(48)X + .=3737753555(50)X+X -7887 =7855101(51)X+ +1516279 =3(53)2 x 7+2X 5 =8333737(28)63=37 -626222930(30) 29 X (15X 31

9、)=,313(32)25 X 4= 10311751(34)12 182472 =10985 1921 419c3 =0(36)72525=19 -71153131(38)12642424 =7(40)343=75055511 1(42)791279 12=5265 4 578 3 157 -0.6=6025258 1(47)8_8=1 1515111(49) ( 90+)X=1 8889884(52) 18X( - +5-)=2396/、Z11、/4、14(54)(-)X24-)=1 612515(45)101 X-4 =164_(55)( 5x 4+4 4 127777=737433(57

10、)3x -+ -x3三=381 118857595(59)912125=9(62)1(32 x 1+ 17)-5412=60189799(63)x -+ + 251625161654363 ()=20(64)9217(67)(21x 3+ 4x21)x 1 =77414(69)14 -4 (4 + 2)x2=7155311105 v6 _9_亠91x(70) 6510524、/4、/51丄(73) xx5742 =14,、451、5(74)-一'< 二-)-5828】=44177=23(76)(-+ -)-+543102023(78)(亦+石')x 15x 11 =671

11、2 11(56)十(土 + )x 丄=353 5131(58) 333- x 3 =10003(60)25253456 =131 11(62) (25+)-.+ _444= 103匸98(65)511316-(-)823423=0-(67) (99+ )- 9 =11-4 1095 4(69) ( 5 + - )x 30 =496 5111(71)X 58 +- x 41 +-888=12.53x 153 - 0.6x 53=60(75) 5113103(77)8 選+(5 x 6 ) = 2蘭=3魚3939454541575 ” ,(82)-xx =/ 7221222(80) 46 x 44

12、 =44 44(81)200820062007=200620062007913949(83)亦x石+亦x石=秸COOOCXICOOOCXICOOOCXI卜9X eooCXIHCOOOCXIx (L+eooCXI) H5COOOCXIX 寸 00cxl(cxl6 )卜9co I coOil LXCO I寸+LOCMCM +XLOCMco |寸+COcooXXXco 1寸col寸co 1寸IIIIII+LOCMXCO|寸+6COXl|寸36LXo CXIL寸51Xz*To+寸CM1XO寸¥Rcxi+3XsXwoCXII-1ITII1烹HII8 9L 8I X + IX s HL 9L L

13、8 9L X (I +CXI卜)H L 9Lg寸卜e X NN (L6)寸寸£8CXI(88)(98)(寸8)=3023、117X(2 -)+ 153412212111121X1 +15X仃12121721,111X(1 -+ 15 -)仃12122120004(96)1-17(97)2002 2000 2001=2000 十 2000200120002001=200020012000 20022001 20021993 19941(98)19931992 1994(19921) 1994 1199319921992 19941994 199319931992 19941322(99)3 X 25-+ 37.9X 6-55532/ 2 、2=3X