分数乘除法简便运算100题(有答案)

发布时间:2017-10-13 19:58:45   来源:文档文库   
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分数乘除法简便运算100

1)(+×3 ×9 2-×

3×(7 - 4×+×

5×+× 6×-×

7×6 -× 6 8+×+×

9 37× 10 × 24

(11)×+×- 12×101-

(13) ×× 14× 99 +

(15) (+)×7 ×9 163×25

17 36× 18 (-)×

1926× 2032×

21 22

(23) 24

25 26

27) -×-× 28

29÷÷ 30×(15×)

(31) ×× 3225×4

3354×(-) 34

(35) (36)

(37) (38)

(39) (40)

(41) (42)

(43)

(44)6.8××3.2 (45) 101×

(46)×15 (47)8÷8

(48)×× (49)( 90)×

50×+×

51×+÷ 5218×(+

53×7+×5 54)()×(24

55)(×+)÷ 56÷[+)×]

57×× 58×3

59 60

(61) (32×17)÷ 6225)÷

63 ××

64 65

(66)21××21)× 67)(99)÷9

(68)÷[)×] (69))×30

(70)×÷ (71)×58×41

(72)×× (73)×÷

(74)÷[)÷] (75)×153 – 0.6×53

(76))÷ (77)×[÷(×)]

(78) ()×15×11 (79)

(80) 46× (81) 2008×

(82)×× (83××

8436× 85×

86×101- 87

88×× 8917×

91word/media/image138_1.png×37 922004×word/media/image139_1.png

(93)73word/media/image140_1.png×word/media/image141_1.png

(94) 166word/media/image142_1.png÷41

(95)word/media/image143_1.png×39 + word/media/image144_1.png×25 + word/media/image145_1.png×word/media/image146_1.png

(96)1word/media/image147_1.png×(2word/media/image148_1.png - word/media/image149_1.png+ 15word/media/image150_1.png ÷ word/media/image151_1.png

(97)2000÷2000word/media/image152_1.png

(98)word/media/image153_1.png

(99)3word/media/image154_1.png×25word/media/image155_1.png + 37.9×6word/media/image156_1.png

(100)9word/media/image157_1.png+7word/media/image158_1.png)÷(word/media/image159_1.png+word/media/image160_1.png

分数乘除法简便运算100题答案

1)(+×3 ×9 =31 2-× =0

3×(7 -= 4×+× =

5×+× = 6×-× =

7×6 -× 6 =1 8+×+×=

9 37× = 3 10 × 24

= × 25-1

=5

(12)×+×- = 12×101- =70

(14) ××=0 14× 99 + =60

(16)(+)×7 ×9=92 163×25=95

17 36× 18 (-)×=1

=35+1)×

= 34

1926× 2032×

=25+)× =30+)×

=5 =27

21 = 22 =7

(23) = 24=5

25 =12 26=

27) -×-×=0 28=37

29÷÷= 30×(15×) =

(32) ××= 3225×4= 103

3354×(-)=3 34=109

(36) =0 (36) =19

(38) =58 (38) =7

(39) = (40) =750

(42) =64 (42) =5

(43) =60

(45) 6.8××3.2 =2 (45) 101×=16

(46)×15 =10 (47)8÷8=1

(48)××= (49)( 90)×= 1

50×+×=

51×+÷= 5218×(+=23

53×7+×5 =8 54)()×(24=1

55)(×+)÷= 56÷[+)×]=3

57××= 58×3 =1000

59 = 60 =1

(62) (32×17)÷=60 6225)÷=103

63 ××=

64=20 65 =0

(67)21××21)×= 67)(99)÷9 =11

(69)÷[)×] = (69))×30 =49

(70)×÷= (71)×58×41=12.5

(73)××= (73)×÷=

(74)÷[)÷= 4 (75)×153 – 0.6×53=60

(76))÷= (77)×[÷(×)] =

(78) ()×15×11 =67 (79) =3

(80) 46×=44 (81) 2008×=2006

(82)××= (83×× =

8436×= 85×=

86×101- =28 87 =

88×× = 8917× = 9

91word/media/image138_1.png×37 922004×word/media/image139_1.png

=1-word/media/image199_1.png)×37 = 2003+1)×word/media/image139_1.png

= 1×37 - word/media/image199_1.png×37 = 2003×word/media/image139_1.png + 1×word/media/image139_1.png

= 36word/media/image200_1.png =67word/media/image139_1.png

(93)73word/media/image140_1.png×word/media/image141_1.png

= (72 + word/media/image201_1.png)×word/media/image141_1.png

= 72 ×word/media/image141_1.png + word/media/image201_1.png×word/media/image141_1.png

= 9word/media/image202_1.png

(94) 166word/media/image142_1.png÷41

= (164 + word/media/image203_1.png)×word/media/image204_1.png

= 164×word/media/image204_1.png + word/media/image203_1.png×word/media/image204_1.png

= 4word/media/image142_1.png

(95)word/media/image143_1.png×39 + word/media/image144_1.png×25 + word/media/image145_1.png×word/media/image146_1.png

= word/media/image144_1.png×13 + word/media/image144_1.png×25 + word/media/image205_1.png×word/media/image206_1.png

= word/media/image144_1.png×(13 + 25 + 2

= word/media/image144_1.png×40

= 30

(96)1word/media/image147_1.png×(2word/media/image148_1.png - word/media/image149_1.png+ 15word/media/image150_1.png ÷ word/media/image151_1.png

= word/media/image207_1.png×1word/media/image208_1.png + 15word/media/image150_1.png×word/media/image207_1.png

= word/media/image207_1.png×(1word/media/image209_1.png + 15word/media/image150_1.png

= 21

(97)2000÷2000word/media/image152_1.png

= 2000÷word/media/image210_1.png

= 2000 ÷ word/media/image211_1.png

= word/media/image212_1.png

(98)word/media/image153_1.png

= word/media/image213_1.png

= word/media/image214_1.png

= 1

(99)3word/media/image154_1.png×25word/media/image155_1.png + 37.9×6word/media/image156_1.png

= 3word/media/image154_1.png×25word/media/image155_1.png + 25word/media/image155_1.png+12.5)×6word/media/image156_1.png

= 3word/media/image154_1.png×25word/media/image155_1.png + 25word/media/image155_1.png×6word/media/image156_1.png + 12.5×6word/media/image156_1.png

= 3.6+6.4)×25.4 + 12.5×8×0.8

= 254 + 80

= 334

(100)9word/media/image157_1.png+7word/media/image158_1.png)÷(word/media/image159_1.png+word/media/image160_1.png

= word/media/image215_1.png+word/media/image216_1.png)÷(word/media/image159_1.png+word/media/image160_1.png

= [65×(word/media/image217_1.png+word/media/image218_1.png)]÷[5×(word/media/image219_1.png+word/media/image220_1.png)]

= 65÷5

= 13

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