分數乘除法簡便運算100題有答案26963

1、分數乘除法簡便運算100題75334333(7)12X6-12X 6(8遼x7x7(9):37 X356153103377(10)25X24（云x5+五4(12)wX101-1088883348(13)9X9_9X9(14)5X 99+-(15)(-+9)X7X9434(16)3- X25(17)36X嘉2 125(19)263 % s(20)325X65518(18)( 6 9)XT(22)35 + -U57丿3 74 7:_I-:(23)7 87 87121(24)廠y 6(1)(| 4務)X3 X9(2) (|15(3)| X (7- | )O5(4)6X9+9235(5)gX4+27X

2、(6)(25)(26)5 5 4 5-S- + 4-9 12 9 1233433(27紜-gX7- 8X7(28)63X62(29)、229(30) X(15X)(31) | x|3(32)25才X4(33) 54X (| - | )(34)f 1175)1+ + 令一U2 1824 J 72(35) 8XiT+0375x2n33丄+乞4+也19(36)72525(37)(38)岸二+4耳1126424)124711254- + X (39) 959 11434265+ 578x二+157* (40)343(41)(42)334- + -X44 + 244-0.6(43)3 53 (44)8X

3、 5 + 5 X4(45)101X 251 153 5585510(49)(90+ 88 ) X 89(50)7 X 8+8 X 7(51) 15 X16+Z7 4-V45(52)18X ( 9+6 )70(53)二X7+X533(64)63x(- + -)9217丄45113.16(+ -)X 4- 82342355(46) 8 + 8 X 15_8_(47)8 15一8626(48) 3X7+亍X?。?5）7（56）戶中存(57)3lxn+nx3l(58)333X335 7 5 9 -X一 + 4-9 12 12 5）（32X”7）冷3 1 1（62）（25+訂蔦+ $（63）18 9 7

4、 9 9X + X + 2516 251616(54)(1-1)X(24-|)(65)34(21X- + - X21) X (66)779(67)(99+ ) +9105 69.9(70)6X5 -To?（68）( + -)時】(69) (|4+ -) X30155311651114 45 1,v44(71)一x58+_ x41+ _x X 80 46x 888（72）5 74 245(73)4515(74)| X153-(75)X53(81)20062008x41x77(76) (5 +；)-3 +I511310(77)6X2 (5X*9M(78)(看+jj )X15X11(79)3714x

5、一394157913949(82) 7(83)元XT7+w X17(84) 36X 11(85)15一111313(86)725xlOl- 25(87)7 97(88) |(89) 17X916(91)44X374592) 2004X672003(93,74XI(94)164411一X39 +3一X25 +263 X (95)44T13(96)1 X(2-1731+ 15 121721(97)20004-2000200020011993x1994-1(98)1993+1992x1994eW+X6?5552 2(WO) O-7-)壬分數乘除法簡便運算100題答案8(1)(g+務）X3X9=313

6、6g）X忑刃2(7- 3555156X9+ x6=91136(7)712X6-5126 =167626(6)XT-X=135135133 34333(8)x-+x-8 87874(9)37 X3356= 3 35(10)625X 24(11)15u，213X410+云(14)8 89X9=(15)8+ - )X7 X9=92(17)3436臨=(35+1)34X蕓6251925(25-1)77）16X101-W=733(14)5 %99+ - =604(16) 3- X25=955518(18)( 6 - 9=1*4里35(19) 26彳X(20) 32彳x|A o=(25+- ) X |35

7、= (30+T)XI(32)25扌X4= 103=27(21)5、35 T一5(22)了丿 刃丄73 744- + 4-(23)787777121工_ (24) 9999=5(25)(26)5545:_ :- =9 * 129-1212T334 33(27)8 8X7 8X7=37(28) 63x 6237=37 62(29)1 6.2,6737*62 (30) X(15X)29303?（33）8554X (- - - )=3(34)(1175)11218 24 J 72=109(35)lxn+0375x2-31183=05 19 , 21in-+ x4 + x 19c7 2525=19丄7(

8、5 3丄菽=58(38)112711259591111(41).33-x8-x8(42)88=64265聲+578x + 157一土(40)343=750(42)(43)334- + -X44 + 24-5-0.63 53=60(44)x- + -x=25544(45) W1X- =16-(31)18 9 7 9 9 X+ X + 25162516 16=89(67)(99+ ) -r9=ll-10954(69) (-+-) X30 =49651 , 1 . 1(71) -X58+-X41+-8 8 8 =3-X153 - X 53=60(75)(46) - +-X15=108 81 62 6

9、6(48) X + X 3 73 7(49)z v8147 8 4-8=1 15151、881二1-88（50）3 555X-+- X-8 87 =7(51)15v55亠10116 279 =3(52)18X G + |)曲（53）2?-X7+-X5=833(54)(l_l)x(24_i)=1li6 12（55）(57)3xl+x3-= 3|8 11 11(58)333?X3=100(59)9 12125=56=1(61)(32X1+17)-A=6o3(62)(25+-)4丄丄+丄44=1034（64）63x(- + -) =209217（65）|一（* +護扣豈 14(68)-4-157 T

10、o53115 69 9.1X - MB (70) 6 51(/527 734丨(21X- + -X21) X-一 一4(72),(73)113103(77紜-5XT)】F3 - O2 - 2)+4一5（63）（66）21(92) 2004X-2003=(2003+1) X -20036767= 2003X- +1X-2003200367=67-200341=(164+ )X20=164X+411=4 2023(78)(肓 +五)X15X11=674444(80) 46x =44 4545網37=3313920062007(84)936X57(86)415(82)?X-28371x101-125

11、25=285一9=1 - 4913949餡）W八17Jox17=w11(85)111313小2006(81)2008X=2006(87)13(89) 17X彩=9 161616203263X25 +X 4T131 X39 + (95)4(91) X3745=(1- ) X 37451= 1X37- X37454141201一8X933-X13 + - X25 +443z、-X (13 + 25 + 2)43-X4042001 20021993x1994-1(98)1993+1992x1994(1992+1)x1994-11993+1992x19941992x1994+19931993+1992x199432299 3-X25-+ X6-55532z2、2= 3-X25-+(25-+)X 6 5555322 22=3-X25-+ 25- X6-+ X6-35X255+25IX6I+ X6I=(+) X + X8X=254+80225(100)(9-+7-) 4- (-