1、710108(14)3x99+3(13)分?jǐn)?shù)乘除法簡便運(yùn)算 100 題（有答案）(1)(9+27)X3x9126x(7-3)心、2353(5)2x4+257X3336(2)(3-8)x155551(4)6x5+9x16762(6)13xS 13x212x6-5x633433（8）8+8x7+8xx(9)37x335(10)25x24(11)1521103x214(12)x101-710108(14)3x99+3(13)3(27)8-(30)29x(15X詈)匚6+2寧63737(29)(15)(7+9)x7x9(16)3 害X25(17)3634X3555(18)(6-9)x185(19)26

2、3X1125(2)325X6(21)(22)3,74_7TT(23)78787,12,1(24)999935、i(25)x20十5i6丿(26)5.54十.59129123433X-X-8787(28)633762但+5+5“(42)5(31)58X15(32)(33)54X(8(34)12182472(35)8I375211(36)2525(37)41+4x7/41、( (5+1)23(78)(亦+右)x15X11(79)45(73)56(80)46X4445(81)(82)7x2!x$(84)36x35(75)1( (77) )1x1530.6x531310 x5rgx-90) )】371

3、43920062008X007(83)9139410 x乃+10 x17(85)111113x131333/CC、53519(88)9X4+9X4(89)17X16(90)2006 十20072008(93)73X11584/c23、,117(96)1X(22-3)+15十17341221(97)2000-20002000200119931994-1(98)199319921994(86)X101-2525(87)(94)166203CL263X25+X44131X39+4(91)44x37(92)2004X45672003(16)3 彳X25=95(99)33X252+37.9X625552

4、255(100)(9+7)+(+)7979分?jǐn)?shù)乘除法簡便運(yùn)算100題答案:(1)+27)X3X9=313、6 門-8)X165=0(3)2(7-218(5)_5_切X1136(7)6=1(4)555156X9+9X69(6)6762613X7-13X2133343338+8X7+8X廠4(9)37X35=33535(10)25X24=5625X1925(25-1)15(11)1510213 一14=7X101-717)=708(14)88X9=033(14)X99+=605548(16)(-+9)X7X9=92IW351921419525=19-734(17)36X355(18)(6-5189

5、)XIs=1=(35+1)34354 43 3- -X2-32-36 625(2)322X5=5(21)(23)7(25)5(25+5)310=27(22)12(30+12)53557=777478878=27(24)99=5205=12 丄2(26)5._5.4_5912912123(27)8-(28)633762=373762(29)29)(30)29X(15X3130315(32)58X=15(32)254X4=103(33)54X55)=3(34)12182472=109x+0.3728(36)811113=0(36)725(60)-52345912125=9(38)(38)12613

6、.1II2424=7(39)71125十+x95911(41)33888=64(43)11(40)(42)33534424-：5-0.635=60(44)6.811-XH-X3.2=25(45)(46)5+-8X15=10(47)8(48)13X67X6=7(49(50)(51)15X+1627(53)X5=8(55)412(57)3333=338(59)5xL5-9326557834557915+127944101X=162525A.8=1丄1515(90+)X=188894(52)18X(49(54)(1-1(56)-.5(58)333134157-:3=750丄12=5885+-)=23

7、61)X(24-4)=11412X3=10006=115(86)25X01-25=281(61)(32X1+17)-5(62)412=601897999(63)-X+X+2516251616=854363(-+_-)=20(64)9217774414.p/42107十(-+-)X=(68)155311105699_1X(70)65105_244511XX-一(72)5742=14451、.5(74)勺-)5828】=44177_23(76)(5+4)十3+10=2023(78)(15+石)X15X11=67(79)4444(80)46X=44 一45454157_5(82)7X22:X1222

8、34121(66)(21X3+-X21)X丄=(84)36X37=籌/3、.111(25+444=1034511316(65)-()-823423=0(67)9(99+)1.9=111109(69)(5+-)X30=4965111(71)-X58+X41+888=12.545234(73)一X+ .5655-33X153-0.6X53=60113103( (77)8X2r3X19) )】=茲茲c143137=3393920062006(81)2008X=200620072007,cc、913949(83)亦X石+局X石頁(85)11134X迪1333_20=3345355(87) +=7979

9、9/cc、53515(88)6X4+6X4=9(89)17X磊=91616(86)25X01-25=284(90)2006 十20072008(91)44x374515=2006X20082007=(2007-1)X20082007=2007X2008-ix200720082007=2008-20082007=2006200620071=(1-)X37451=1X37-X3745=2003(2003+1)x67=3645=67x旦旦2003672003+1X旦旦20032003(93)73X115816、1(72+)X-158116172X+X8158=9-41、1(164+)X2041、，1

10、41)4X+X4120(94)1661-412014113一263X39+X25+X444133*c3_326=X13+X25+X44413=3X(13+25+2)=4(92)2004X_62003120=13=30423117(96)1X(2-)+15-1734122121,11“121X1一+15X1712121721宀11“1X(1一+15一 )171212212000(97)2000-200020012000200120002001亠20012000200219931994-1(98)199319921994=(1992+1)漢19941199319921994=1992心994+1993199319921994=1(99)33X252+37.9X62555=332X25-+(2522+12.5)