(完整版)分数乘除法简便运算100题(有答案)

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1、分数乘除法简便运算100 题(有答案)(1) (89+427)3 9 (2) (38- 38)615(3)16(7 - 23)(4)5659+ 5916(5)2934+52734(6)61375- 61325(7)7126 - 512 6 (8)38 +3847 +3837(9) 37335(10)625 24 (11)152134 + 102134 - 34(12)710101- 710(13)89898989(14)35 99 + 35(15)( 47 + 89 ) 7 9 (16)34525 (17) 36 3435(18) ( 56 - 59 ) 185(19)262315(20)32

2、2556(21)5121101(22)57535(23)87748773(24)91929197(25)652053(26)1259412595(27)38 - 3847 - 3837(28)623763(29)31763276(30)229(152931 )(31)5823815(32)25344(33)54(89 - 56 ) (34)7212451871211(35)3831162375.011583 (36)1925214251975(37)4818365 (38) 241241343651211(39) 1159251197 (40) 341574357834265(41)88388

3、3 (42) 12191711259575 (43) 6.0352444533533(44)6.85151 3.2 (45) 101254(46) 858515 (47)81588 (48) 31763276 (49) ( 90 881)891(50)5738+5857(51)815516+527109(52)18(49+56)(53)237+235 (54) (16112)( 2445)(55) (5747+47)47(56)15(23+15)113 (57)833117114833(58)31333 3 (59)5912512795(60)65524532(61)(324117) 125(

4、62)(2543)4141(63)2518169257169169(64))7321495(63(65)231643)3121(85(66)(21737421)41(67) (99109)9 (68)1514(5432)1110 (69)(6554) 30 (70)655610959(71) 81 5881 4181(72)54744521(73) 54655253(74) 54 (8521)85(75)35153 0.653 (76)(4514)73710(77)18 12(35109) (78) (215311 ) 1511 (79)391437(80)464544(81) 2008 20

5、062007(82) 471522712(83)9101317910417(84)36937(85)111311131333(86)257 101-257(87)95739574(88)59345914(89)17916(91)454437 (92)2004200367(93)7315181(94) 16620141 (95)4139 + 4325 + 426133(96)1174( 232 - 43)+ 151212117(97)2000 200020012000(98)199419921993119941993(99)353 2552 + 37.9652(100) (972+792)(75

6、+95)分数乘除法简便运算100题答案(1) (89+427)3 9 =31 (2) (38- 38)615=0 (3)16(7 - 23)=1819(4)5659+ 5916= 59(5)2934+52734=3611(6)61375- 61325= 613(7)7126 - 512 6 =1 (8)38 +3847 +3837= 43(9) 37335= 3356(10)625 24 = 625 (25-1) =52519(12)152134 + 102134 - 34 =71(12)710101- 710 =70 (14)89898989 =0 (14)35 99 + 35 =60 (1

7、6)( 47 + 89 ) 7 9=92 (16)34525=95 (17) 36 3435(18) ( 56 - 59 ) 185 =1 = (35+1)3435 = 343534(19)262315(20)322556 = (25+35)15 =(30+512)56 =531 =27 (21)5121101=71(22)57535=771(23)87748773=78(24)91929197=5 (25)652053=1221(26)1259412595= 512(27)38 - 3847 - 3837 =0 (28)623763 =376237(29)31763276=67(30)229

8、(152931 ) =3130(32)5823815 =92(32)25344= 103 (33)54(89 - 56 )=3 (34)7212451871211=109(36)3831162375.011583=0 (36)1925214251975 =19 75(38)4818365=58 (38) 241241343651211=7 (39) 1159251197 = 115 (40) 341574357834265=750(42)883883=64 (42) 12191711259575 =5 (43) 6.0352444533533=60(45)6.85151 3.2 =2 (45)

9、 101254=16254(46) 858515 =10 (47)81588 =1151 (48) 31763276 = 76 (49) ( 90 881)891 = 1881(50)5738+5857=57(51)815516+527109=31(52)18(49+56)=23 (53)237+235 =8 (54) (16112)( 2445)=11514(55) (5747+47)47=712(56)15(23+15)113=3 (57)833117114833= 833(58)313333 =1000(59)5912512795=95(60)65524532=1(62)(324117)

10、 125=60(62)(2543)4141=10341(63)2518169257169169=89(64))7321495(63=20 (65)231643)3121(85=0(67)(21737421)41=421(67) (99109)9 =1191(69)1514(5432)1110 = 107(69)(6554)30 =49 (70)655610959=21(71) 81 5881 4181=12.5(73)54744521=141(73) 54655253=34(74) 54 (8521)85】= 4 (75)35153 0.653=60 (76)(4514)73710=2023(

11、77)1812(35109) =323(78) (215311 ) 1511 =67 (79)391437=33931(80)464544=444544(81) 2008 20062007=200620072006(82) 471522712=225(83)9101317910417=910(84)36937= 3728(85)111311131333=3320(86)257 101-257=28 ( 87)95739574=95(88)59345914=59(89)17916= 9169(91)454437 (92)2004200367=(1-451) 37 = (2003+1)200367

12、= 137 - 45137 = 2003200367 + 1 200367= 36458 =67200367(93)7315181= (72 + 1516) 81= 72 81 + 151681= 9152(94) 16620141 = (164 + 2041) 411 = 164411 + 2041411 = 4201(95)4139 + 4325 + 426133= 4313 + 43 25 + 431326= 43( 13 + 25 + 2)= 4340 = 30 (96)1174( 232 - 43)+ 151212117 = 172111211 + 151211721= 1721(

13、11211 + 15121)= 21 (97)2000 200020012000= 2000 2001200020012000 = 2000 200220002001= 20022001(98)199419921993119941993= 19941992199311994)11992(= 199419921993199319941992= 1 (99)353 2552 + 37.9652 = 3532552 + ( 2552+12.5 ) 652 = 3532552 + 2552652 + 12.5652 = (3.6+6.4 ) 25.4 + 12.580.8 = 254 + 80 = 334 (100) (972+792)(75+95)= (765+965)(75+95)= 65 (71+91) 5 (71+91) = 65 5 = 13

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