分数乘除法简便运算100题(有答案)

1、WORD格式整理学习参考 资料分享分数乘除法简便运算 100题（有答案）615X3-83-8(29 X 3 X427+8-91- 6 义5- 9 +5一 9X5- 6 42- 37-7/|义1- 632- 5X6137一 5X6133- 4X527 +3- 4X2- 9 切3X78 +8(8)12 X6 - 12(7)X 24625(10)37X 35(9)7_107(12) - X101-310X4 + 211521(11)8888(14)33X9X-X 99 +99955(13)(15)48(7 + 9)乂7 X94(16) 35 X25(17)3436 X 35(18)(18 x -5(

2、19)2 (20) 3255x-6(21)10(22)35 753 (23)77 12 1(24) 9 9 9 9(25)2055(26) 5 -9 124 _59 123(27)8 -X7(28) 633762(29)(30)2929X8 *31 )(31)X33(32) 254X411(33)54 X(35)11(37)48(34)121824720.3752611(38)19(36)11122513242125241971125(39) 95911(40)43265578 15734433 83855511(41)88(42)7912793353 一44524 0.6(43)353112

3、(44) 6.8 >1+ 1 刈.2(45)101 X45525(46) 5+ - X15(47)8- -88815(48)12(49)(90 + ) x 8889(50) 5 x 3+5 X 5 78 87(52) 18X ( - +-)9 6(51) x 39 + 10 1516 279(53) 2 X 7+2X533(54 ) (1)X ( 24-f )6125(55) (5X4 + 4) +4 77 77（56）5+（G）V(57) 33 23811118,、 一1(58) 333x 332 5 2 5(60) 3 4 5 6,、15(61) (32 X 1 +17)-412 1

4、8 X -9-+X -9+ -92516251616(62) (25+ ) +1+ , 444(64) 63 (I217)(65)1623(66) (21X3 + 477X21)(67)(99+ ) +910(68)- (4 + 2)15531510X 11(69)+ 4) X 30 5(70)5699111X -一(71)一><58 H>41 + -651058884 (72)54X74(73)55X64(74)二寸5583-X 153 - 0.6X 53(75) 541(76)(5 + 4 )7+而1 (77)81 x 23* (510(78)(X 15X 11(79)3

5、71439c 44 (80) 46 X 45(81) 2008 20074157(82) 7 乂 五 X 不91394(83)W x V + W x V(84)36*37(85)11111313 13 X33774535(86) M01-(87)25257979(89) 17X916/cc、 5351(88)9 X 4 +9 * 444(91) x453767(92) 2004 X 200311(93)73 X 158(94) 166 - -412026 * 34131-X 39 +(95) 4(96)1 -4x(22- - 3)+ 15 -173412212000(97)2000 +2000

6、20011993 1994 1 (98) 1993 1992 1994(99)3 3 X 25 2 + 37.9 X 6 2555(100) (9 2+7-2) + ( -+5 ) 797 9分数乘除法简便运算100题答案,、，84336(1)(9 +27 ) x 3 X 9 =31(2) (- - 8)X 15 =0(3)(7 -1918(4)55x9 + 9 x1136小、67626( 37*35= 335(25-1)n X5-而 * 5 =府工 八五 12 X6 - 12 x 6 =13 34 33(8)8+8 X7+8 x7=6(10) 25 X 24625=51925(12)1521

7、3x- +410213x-4($X 101-170 =70(14)8x9 =03(14)599 +3 =605(16)(4 + 8 )X7 X9=92 79(16)435 X25=95(17)3436x35(18)(18(35+1)34X 35 34=34 35(19)x52 (20) 3255x-6(25+5) 3(喏)二5二27(21)11035(22)=7-73 (23)78=87(24)19=5(25)20 5 6=1212(26)5125121253(27)8 -3X7 =0(28) 633762=3737621 (29)-36 _7一7 62(30) 2929 X(15X31 )3

8、0315282(32) -X-X=-8315 9(33) 54 X 4 - 5 )=3 963(32) 2% X4= 103卫 Z £ 工(34)12 18 2472=109(36)110.375193 =0(36)25212519=19 -75 3工(38) 6 848 =58(38)115313112642424=7112_5=5_(39) 959111133-88(42)88=64265 4(40)3c 3/4578 - 157 -43 =7505 5(42)79127 9 12 =5(43)33 531 4424 5 30.6二60(45)6.8 >1+ 1 M.255

9、二2(45)4101 U25=1625(46) 5 +8葭15 =10 8(47)81.8=1115151 (48)3(49(90 + ) X881 = 1I89885(50) 57X -5 +16279=3(52) 18X（产）=23(53) 2 X 7+2X5 =8(54) (1 -)义(243) =1 14612515(55) (5X4 + 4) + 4 1277 77 =7(56 ) 1 + (-+- ) X =353 513(58)1333 X3 =10003(57)33 x、3X33= 3381111885 工 g 959 12 12 5二9(60)2 5 2 53 4 5 6=1

10、 _15(62) (32 X 1 +17)- 12=60(63) (25+ 3) + 1 + 1-44 4 =1034(64) 18 x -9-+ 21 x -9+ -9 92516251616 = 854363 () =20(65) 9 21 7(66) 8 (-)宁 13=0(67) (21X 3 + 4 X21) X -= 7744(67) (99+ ) +9 =11-109(69)14 + (4 + 2) X ”= 15531110(69) (5 +-) X 30 =49 655 X6 -2-9 =- (70)6 510 5 -2(71) 1 X58+ 1 >41+ -888=1

11、2.5(73)5X2 = 14(73)4(74)二寸51)28】3-X 153 -0.6 X 53=60(75) 541(76) (5 + 4 )i (77)81310x2 +(53)=3223(78) ( +11 ) X 15X 11 =67(79)37 14=3339394444(80) 46 X=44(81)20062008 2007=200620062007(82) 7 X15 义考22(83)4 =_917 =10(84) 36x1= 3 72837/ 、11（85）府111313X3320一 33(86)X101- =282525(87)4 5 3 5 5797 919(88)(9

12、1) X 37451=(1- - ) X 37451=1 X 37 - - X3745=36 45(92)= 2003=672004 X 2003(2003+1) X 672003200320036720039(89) 17X -11(93)73 x 1158=(72 +)x11581161=72 X_+_ X_8158=92151(94) 166 -4120411二(164 + ) X 20411411=164 x+x412041=4 ±20X 25 +426 v 34131-x 39 +(95) 433326=-x 13X 25 +x444133,、= 3X(13 + 25 + 2 )43= 2x4041721=30(96)1 -4x(22- - 3)+ 15 工 + 173412211721111 +1212115 _ x _17(1 11 +121217152)1221(97)2000 +2000空°°2001=2000 +=20002000 2001 20002001-20012000 2002200120021993 1994 1(98) 1993 1992 1994=(1992 1) 1994 1 1993 1992 1994=1992 1994 1993 1993 1992 1994=1(99)3 3 X 252 + 37