分数乘除法简便运算100题(答案)

分数乘除法简便运算

(1)(8

9

+

4

27

)×3 ×9 (2)(

3

8

-

3

8

)×

6

15

(3)

1

6

×(7 -

2

3

(4)5

6

×

5

9

+

5

9

×

1

6

(5)

2

9

×

3

4

+

5

27

×

3

4

(6)

6

13

×

7

5

-

6

13

×

2

5

(7)

7

12

×6 -

5

12

× 6 (8)

3

8

+

3

8

×

4

7

+

3

8

×

3

7

(9) 37×

3

35

(10)

6

25

× 24 (11)

15

21

×

3

4

+

10

21

×

3

4

-

3

4

(12)

7

10

×101-

7

10

(13)8

9

×

8

9

8

9

×

8

9

(14)

3

5

× 99 +

3

5

(15)(

4

7

+

8

9

)×7 ×9

(16)34

5

×25 (17) 36×

34

35

(18) (

5

6

-

5

9

18

5

(19)262

3

×

1

5

(20)32

2

5

×

5

6

(21)

?

?

?

?

?

+

÷

5

1

2

1

10

1

(22)

5

7

5

35÷

?

?

?

?

?

+

(23)8

7

7

4

8

7

7

3

÷

+

÷

(24)9

1

9

2

9

1

9

7

÷

-

÷

(25) ??? ??+?652053 (26)125

9412595÷+÷ (27)38 - 38 ×47 - 38 ×37

(28)623763? (29) 31÷76+32÷7

6

(30)229 ×(15×2931 )

(31) 58 ×23 ×815 (32)2534 ×4 (33)54×(89 - 5

6 )

(34)72

1245187

1211÷??? ??++ (35)3831162375.011

583÷

-?+?

(36)192521

4251975?+?+

(37) 4818365÷??? ??+ (38) 241241343651211÷??? ?

?-+-

(39) 115925119

7?+÷ (40) 341574357834265÷+?+÷

(41) 8

83

88

3?÷? (42) ??? ??++÷??? ??++12191711259575

(43) 6

.035

2444533533-÷+?+÷

(44) 6.8×51+5

1×3.2 (45) 101×254

(46)

85+85×15 (47)815

8

÷8

(48)

31×76+32×7

6 (49)( 90+881)×891

(50)57×38+58×57

(51)

815×516+527÷109 (52)18×(49+5

6

(53)23×7+23×5 (54)(16-112)×(24-4

5

(55)(57×47+47)÷47 (56)15÷[(23+15)×1

13

]

(57) 833×117+114×833 (58)3

1

333×3

(59) 5912512795÷+? (60) 6

5

524532-?+

(61)(32×41+17)÷125

(62)(25+43)÷41+4

1 (63) 2518×169+257×169+169

(64)

)7321495(63-+? (65) 2316]43)3121(85[÷?+-

(66)(21×73+74×21)×41 (67)(99+10

9)÷9

(68)1514÷[(54+32)×1110] (69)(65+5

4

)×30

(70)65×56-109÷5

9 (71) 81×58+81

×41+81

(72)54×74×45-21 (73) 54×65+52÷5

3

(74)

5

4÷[(85-21)÷85

] (75) 35 ×153 – 0.6×53

(76)(45 +14 )÷73 +710 (77)18 ×[12 ÷(35 ×10

9

)]

(78) (215 +311 )×15×11 (79)391437

(80) 46×

45

44

(81) 2008×20062007

(82) 47 ×1522 ×712 (83) 910 ×1317 +910 × 4

17

(84)36×937 (85)1113 -1113 ×13

33

(86)

257×101-257 (87) 9

5739574?+?

(88) 59 × 34 +59 × 14 (89)17× 9

16

(91)4544×37 (92)2004×200367

(93)73151×81 (94) 166

20

1

÷41

(95)

41×39 + 43×25 + 426×133

(96)1

174×(232 - 43)+ 15121 ÷ 21

17

(97)2000÷2000

2001

2000

(98)1994

199219931

19941993?+-?

(99)353×2552 + 37.9×65

2 (100)(9

72+792)÷(75+9

5

分数乘除法简便运算100题答案

(1)(89 +427 )×3 ×9 =31 (2)(38 - 38 )× 6

15 =0

(3)1

6

×(7 -

2

3

)=

18

19

(4)

5

6

×

5

9

+

5

9

×

1

6

=

5

9

(5)2

9

×

3

4

+

5

27

×

3

4

=

36

11

(6)

6

13

×

7

5

-

6

13

×

2

5

=

6

13

(7)

7

12

×6 -

5

12

× 6 =1 (8)

3

8

+

3

8

×

4

7

+

3

8

×

3

7

=

4

3

(9) 37×

3

35

= 3

35

6

(10)

6

25

× 24

=

6

25

×(25-1)

=5

25

19

(11)15

21

×

3

4

+

10

21

×

3

4

-

3

4

=

7

1

(12)

7

10

×101-

7

10

=70

(14)8

9

×

8

9

8

9

×

8

9

=0 (14)

3

5

× 99 +

3

5

=60

(15)( 4

7

+

8

9

)×7 ×9=92 (16)3

4

5

×25=95

(17) 36×34

35

(18) (

5

6

-

5

9

18

5

=1

=(35+1)×3435

= 3435

34

(19)2623 × 15 (20)3225 ×5

6

=(25+35)× 15 =(30+5

12

)×56

=531

=27

(21) ??? ??+÷5121101 =71 (22) 57535÷??? ??+ =77

1

(23)87748773÷+÷=78

(24)91929197÷-÷=5

(25) ??? ??+?652053=1221 (26)12

59412595÷+÷= 512

(27)38 - 38 ×47 - 38 ×37 =0 (28)623763? =376237

(29) 31÷76+32÷76=67 (30)229 ×(15×2931 ) =3130

(32) 58 ×23 ×815 =92 (32)253

4 ×4= 103

(33)54×(89 - 56

)=3 (34)721245187

1211÷??? ?

?++=109

(35) 3831162375.011583÷-?+?=0 (36)192521

4251975?+?+ =19

7

5

(38) 4818365÷??? ??+ =58 (38) 241241343651211÷??? ?

?-+- =7

(39) 115925119

7?+÷ = 11

5 (40) 341574357834265÷+?+÷=750

(42) 8

83

88

3?÷? =64 (42) ??? ??++÷??? ??++12191711259575 =5

(43) 6

.035

2444533533-÷+?+÷=60

(45) 6.8×51+5

1×3.2 =2 (45) 101×254 =16254

(46)

85+85×15 =10 (47)8158÷8=115

1

(48)

31×76+32×76 = 7

6 (49)( 90+881)×891 = 1881

(50)57×38+58×57

=

57 (51)

815×516+527÷109=31 (52)18×(49+5

6

)=23

相关文档
最新文档