分数乘除法简便运算100题(答案)

温柔似野鬼°
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2021年01月03日 07:54
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2021年1月3日发(作者:巴斯德)


.


分数乘除法简便运算

8433612
(1)( + )×3 ×9 (2)( - )× (3) ×(7 - )
927














(4)
555
6
×
9
+
9
×
1
6



.
8815
(5)
2353
9
×
4
+
27
×
4

63
6)
6
13
×
762
5
-
13
×
5


.



.


.
(7)
75334333
×6 - × 6 (8) + × + × (9) 37×
12











(10)
6
25









.
128878
× 24 (11)
1531033
21
×
4
+
21
×
4
-
4

735
(12)
77
10
×101-
10


.

88883348
(13) × — × (14) × 99 + (15)( + )×7 ×9
9999












(16)3
4
5
×25




.
55
17) 36×
34
35

79
18) (
5518
6
-
9

5
((


.
1

11



< br>
2125
(19)26 × (20)32 × (21)
10

25


35













5

(22)

35
7


5
(23)

.
56
3
7

747
8
7

8

7

1

2

1
(24)
9999


.

33433
3

5

5545
(25)


20

(26)

(27)
- × - ×
88787
5

6

912912














(28)
63
37
62





.
29)
1
626
3
÷
7

3
÷
7
30)
2
29
×(15×
29
31
)


.
528385
(31) × × (32)25 ×4 (33)54×( - )


83154







< br>11

7

5


1


(34)

12182472












5

19
4
21

(36)
72525
19

















.
96
3
8

5
110.3752
68
11
3
3

(35)


.

53

1

115313

1





< br>

6848
126424

24


(37)



(38)








71125434

265578157
5911
(40)
343
(39)
9






555

111

33







88
8


(42)

7912

7912


(41)
8





535
3344240.6
353
(43)





(44)
6.8×


(46)
11
4
+×3.2
(45)
101×

25
55
558
+×15 (47)8÷8
8815




.


.

(48)
1
626
11
×

×
(49)( 90+)×

3
737




( 50)
5
×
3
+
5
×
5
7
88< br>7




(51)
8
15
×5
16
+
5
27
÷
10
9




(53)
2
3
×7+
2
3
×5


(55)(
544
7
×
4
7
+
7
)÷
7





(57)

3
3743
8
×
11

11
×
3
8


.
8889
(52)18×(
4
9
+
5
6

(54)(
1
6

1
12
)×(24-
4
5

(56)
1
5
÷[(
2
3
+
1
5
)×
1
13
]
(58)
333
1
3
×3



.



57592525
(59)

(60)


912125
3456



(61)(32×



(63)



543511316
63()
(65)
[()]

9217823423
(64)
18
9
7
99
×+×+
25
16
25
1616

31
1
15
+17)÷ (62)
(25+)÷+

412

44
4



(66)(21×



3419
+×21)× (67)(99+)÷9
77410
.


.




(68)
14421054
÷[(+)×] (69)(+)×30
155311




5
×
6

9
10
÷
9
5
(71)
(70)
65



(72)
445< br>5
×
7
×
4

1
2
(73)



(74)
4
5
÷[(
5
8

1
5
2
)÷
8
]



(76)(
4
5

177
4
)÷
3

10
(77)





.
65
1
8
×58+
1
1
8
×41+
8

4
5
×
52
3
6

5
÷
5


3
5
×153 – 0.6×53
1
8
×[
1
2
÷(
3
5
×
10
9
)]
(75)


.
23
14
(78) ( + )×15×11 (79)
37

1511





(80)

46×
44
45





(82)
4
7
×
157
22
×
12
(83




(84)36×
9
37





.
39
2008×
2006
2007


9
10
×
13
17

9
10
×
4
17
(85)
111113
13

13
×
33

(81)


.
(86)


77
4535
×101-



(87)


2525
7979

53519
(88) × + × (89)17×

949416







(91)

(93)73

(94) 166

4467
×37 (92)2004×
452003
11
×
158
1
÷41
20
13263
×39 + ×25 + ×
44413
(95)





(96)1
423117
×(2 - )+ 15 ÷
17341221

.


.
(97)2000÷2000

2000

2001
199319941

(98)
199319921994



(99)3



(100)(9
322
×25 + 37.9×6
555
2255
+7)÷(+)
7979








分数乘除法简便运算100题答案



84336
(1)( + )×3 ×9 =31 (2)( - )× =0
9278815

.


.




(3)
1
6
×(7 -
2
3
)=
19
18




(5)
2
9
×
353
11
4
+
27
×
4
=
36






(7)
75
12
×6 -
12
× 6 =1




.
(4)
5
6
×
5
9
+
5
9
×
1
6
=
5
9

6)
6
13
×
7
5
-
626
13
×
5
=
13

(8)
33433
3
8
+
8
×
7
+
8
×
7
=
4



.
36
6
(9) 37× = 3 (10) × 24
3525
35
=
=5
6
× (25-1)
25
19





(11)
15
21
×
31033
1
4
+
21
×
4
-
4
=
7




(14)
8
9
×
888
9

9
×
9
=0



(15)(
4
7
+
8
9
)×7 ×9=92




(17) 36×
34
35

.
25
(12)
77
10
×101-
10
=70
14)
33
5
× 99 +
5
=60
(16)3
4
5
×25=95
18) (
5
6
-
518
9

5
=1



.
=(35+1)×
34
35

= 34
34
35




(19)26
21
3
×
5

=(25+
5
3
)×
1
5
=
=5
1
3
=27









1



1

1


( 21)
10

25



.
(20)32
25
5
×
6

(30+
12
5
5
)×
6


5
1

35


5
17
(22)

7

=7
7
=


.



37477121

8
(23)
7878
= (24)
9999
=5
7


(25)
3
5




20
5

6


=12
1
2






(27)
3
8
-
3433
8
×
7
-
8
×
7
=0


(29)
1626
7
3
÷
7

3
÷
7
=
6





.
(2 6)
5
9

5
12

45
12
9

12
=
5

28)
63
37
37
62
=37
62

30)
229
30
29
×(15×
31
) =
31



.
528
2
3
(32) × × = (32)25 ×4= 103
8315
9
4



5

1

117



85
1 21824

72
(33)54×( - )=3
(34)

96

=109



356851921
419
0.37523
5
25< br>113
=0
(36)
725
(35)

811

=19
7








53
1

115313

1







6848
126424

24< br>
=7


(38)


=58
(38)








71125434

265578157
5911
=
5
(40)
343
=750
(39)
9
11






555

111

33







88
8

=64
(42)

7912

7912

=5
(42)
8
.


.





535
3344240.6
(43)
353








(45)
6.8×
1
5

1
5
×3.2

=2
(45)


(46)
5
8

5
8
×15
=10
(47)8





(48)
1
3
×
6
7

2
3
×
66
7
=
7
(49



(50)
5
×
3
+
5
×
55
7
88
7
=
7




(51)
85
15
×
16
+
5
27
÷
10
1
9
=
3

.
=60

101×
44
25

=16
25

8
15
÷8=1
1
15

)( 90+
111
88
)×
89
= 1
88

(52)18×(
4
5
9
+
6
)=23


.



14
22
1
14
(53)×7+×5 =8 (54)(-)×(24-)=1
33


(55)(
5444< br>12
7
×
7
+
7
)÷
7
7

=




(57)

3
374 33
8
×
11

11
×
3
8
=
3
8





(59) 5759
5
9

12

12

5
=
9



(62)(32×1
4
+17)÷
5
12
=60

.
6
125
15
(56)
1
5
÷[(
23
+
1
5
)×
1
13
]=3
(58)
333
1
3
×3 =1000

(60)
252
3

4

5

5
6
=1

62)
(25+
3
1
4
)÷
1< br>1
4

4


=
103
4


.



(63)
18
9
25
×
7
99
9
16

25
×
16

16
=
8




(64)
63(
59

4
21

3
7
)
=20



(67)(21×
341
21
7

7
×21)×
4
=
4











.
65)
[
511316
8
(
2

3
)
4
]
23
=0
(67)(99+
9
1
10
)÷9 =11
9



.
(69)
7
14421054
÷[(+)×] = (69)(+)×30 =49
10
15531165




5
×
6

9
10
÷
9
1
5
=
(70)
65
2
(71)



(73)
4
5
×
47
×
5
4

1
1
2
14
(73)
=



(74)
4
5
÷[ (
5
1
8

5
2
)÷
8

= 4
(75)


(76)(
417
5

4
)÷
3

7
10
=
23
20
(77)






(78) (
23
15

11
)×15×11 =67 (79)


.
1
8
×58+
1
18
×41+
8
=12.5

452
5
×
6

5
÷
3
5
=
4
3


3
5
×153 – 0.6×53=60
1
8
×[
1
2
÷(
3
5
×
10
3
9
)] =
32

37
14
31
39
=3
39


.



(80)

46×
2006
44
442006
=44
(81)
2008× =2006
45
45




(82)
4
7
×
15
22
×
7
5
12
=
22
(83




(84)36×
9
28
37
=
37





(86)
77
25
×101-
25

=28



.
2007
2007

9
10
×
13
17

9
10
×
49
17
=
10

(85)
111113
20
13

13
×
33
=
39

(87)
4535
7

9

7

9
=
5
9



.

535159
9
(88) × + × = (89)17× = 9

9494916
16





4467
(91)×37 (92)2004×
452003
167
=(1-)×37 = (2003+1)×
452003
16767
= 1×37 - ×37 = 2003× + 1×
4520032003
867
= 36 =67
452003


(93)73
11
×
158
161
= (72 + )×
158
1161
= 72 × + ×
8158
2
= 9
15

1
÷41
20
411
= (164 + )×
2041

1411
= 164× + ×
412041

1
= 4
20
(94) 166

13263
×39 + ×25 + ×
4413
(95)
4
=
33326
×13 + ×25 + ×
44413
.


.
3
×(13 + 25 + 2)
4
3
= ×40
4
=
= 30





423117
×(2 - )+ 15 ÷
17341221
2111121
= ×1 + 15×
17121217
21111
= ×(1 + 15)
171212
(96)1
= 21
(97)2000÷2000
2000

2001
200020012000
= 2000÷
2001

2001
= 2000 ÷
20002002
2001
=
2002

199319941

199319921994
(98)
(19921)19941

199319921994
199219941993
=
199319921994
=
= 1




322
×25 + 37.9×6
555
3222
= 3×25 + (25+12.5)×6
5555
32222
= 3×25 + 25×6 + 12.5×6
55555
(99)3
.


.
= (3.6+6.4)×25.4 + 12.5×8×0.8
= 254 + 80
= 334


(100)(9
2255
+7)÷(+)
7979
656555
= (+)÷(+)
7979
1111
= [65×(+)]÷[5×(+)]
7979
= 65÷5
= 13



.

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