小学分数乘除法简便运算100题有答案.doc

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1、-分數乘除法簡便運算100題（1） +3 9 2- 3 7 - 4 + 5+ 6 - 7 6 - 6 8+ 9 37（10） 24 11+ - 12101- （13） 14 99 + 15 ( + )7 9 16325 17 36 18 ( - )1926 2032 21 22 (23) 2425 26 27)- - 28 29 30(15)31 322543354- )3435(36)37 (38) (39) (40) 41 (42) (43) 4483.2 (45) 101(46) 15 (47)88 (48) (49） 90 50+ 51+5218+ 537+5542455+56+ 57

2、583 59 6061 (3217) 6225 63 （64） 65 66212167999 68 (69)30 70)(71)5841 72(80)46 (73) (74) (75)153 0.653(81)2008 (76)(77)()(78) ()1511 (79) (82) (83 8436 8586101-87 88 89179137 922004(93)73 (94) 16641 (95)39 + 25 + (96)12 - + 15(97)20002000(98) (99)325 + 37.96 (100)9+7+分數乘除法簡便運算100題答案1+3 9 =31 2- =0 3

3、7 - = 4 + = 5+= 6 - = 7 6 - 6 =1 8+= 9 37= 3 10 24 = 25-1 =5（11） + - = 12101- =70 （14） =0 14 99 + =60（15） ( + )7 9=92 16325=9517 36 18 ( - )=1 =35+1 =3419262032 =25+ =30+ =5 =2721 = 22 =7 (23)= 24=5 25 =12 26= 27)- - =0 28 =3729 = 30(15) =（31） = 32254= 103 3354- )=3 34=109（35) =0 (36) =19 (37) =58 (

4、38) =7 (39) = (40) =750(41) =64 (42) =5 (43) =60(44) 6.83.2 =2 (45) 101=16 (46) 15 =10 (47)88=1(48) = (49 90 = 150+=51+= 5218+=23537+5 =85424=155+=56+=357= 583 =100059=60=1（61） (3217)=60 6225=10363 =64=2065=0（66） 2121=67999 =11(68) = (69)30 =49 (70)=(71)5841=12.5(72) = (73)= (74)】= 4 (75)153 0.653=6

5、0 (76)=(77)() = (78) ()1511 =67 (79)=3 (80)46=44(81)2008=2006 (82) = (83 =8436= 85=86101- =28 87 =88 = 8917= 99137 922004=1-37 = 2003+1= 137 - 37 = 2003 + 1= 36 =67 (93)73= (72 + )= 72 + = 9(94) 16641 = (164 + ) = 164 + = 4(95)39 + 25 + = 13 + 25 + = 13 + 25 + 2= 40 = 30 (96)12 - + 15 = 1 + 15= 1 + 15= 21(97)20002000= 2000 = 2000 = (98)= = = 1 (99)325 + 37.96 = 325 + 25+12.56 = 325 + 256 + 12.56 = 3.6+6.425.4 + 12.580.8 = 254 + 80 = 334(100)9+7+= += 65(+)5(+)= 655= 13. z.