分数乘除法简便运算100题(有答案)

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2021年01月03日 08:30
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分数乘除法简便运算100题(有答案)

84336
(1)( + )×3 ×9 (2)( - )×
927





(3)
12
6
×(7 -
3





(5)
2
9
×
3
4
+
5
27
×
3
4






(7)
75
12
×6 -
12
× 6




(9) 37×
3
35



(11)
15
21
×
3
4
+
1033
21
×
4
-
4
8815
(4)
5551
6
×
9
+
9
×
6

6)
6
13
×
762
5
-
13
×
5

(8)
3
8
+
3
8
×
433
7
+
8
×
7

10)
6
25
× 24

(12)
7
10
×101-
7
10








888833
(13) × — × (14) × 99 +
9999



(15)(
48
7
+
9
)×7 ×9




(17) 36×
34
35





(19)26
21
3
×
5





1



1

1


( 21)
10

25







374
(23)
7

8

7

7
8



55
(16)3
4
5
×25
(18) (
5518
6
-
9

5

(20)32
25
5
×
6



35
5

22)

7


5

7
(24)
9

1
9

2
9

1< br>9



3

5

5545
(25)


20

(26)


5

6

912912



33433
37
(27) - × - × (28)
63

88787
62


229
1
626
(29) ÷+÷ (30) ×(15× )
2931
3
737




5283
(31) × × (32)25 ×4
83154



5

1

11 7



85
121824

72

(33)54×( - )
(34)

96




356851921
419
0.375 23
25
113
(36)
725
(35)

811









53

1

115313

1





68

48


(38)

126424

24
(37)








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)
×


(46)
11
4
+×
(45)
101×

55
25
55
8
+×15 (47)8÷8
88
15





(48)
1
626
11
×

×
(49)( 90+)×

8889
3
737




(50)×+×



(5 1)
5
7
35
88
5
7
85
5
1 04
5
×+÷ (52)18×(+)
1516
27
9



(53)
2
3
×7+
2
3
×5


(55)(
5444
7
×
7
+
7
)÷
7





(57)

3
3
8
×
743
11

11
×
3
8





(59)
5
9

759
12

12
5




(61)(32×
1
4
+17)÷
5
12



9
6
(54)(
1
6

1< br>12
)×(24-
4
5

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

60)
2
3

5
4

2
5

5
6

62)
(25+
31
1
4
)÷
4< br>+
4







(63)



543511316
63()
(65)
[()]

187
999
×+×+
25
1 6
25
1616

(64)
9217



(66)(21×
34
7

7
×21)×
1
4







(68)
1442
15
÷[(
5

10
3
)×
1 1
] (69)




5
×< br>69
9
(70)
65

10
÷
5
(71)



(72)
4
5
×
47
×
51
4

2
(73)


823423
(67)(99+
9
10
)÷9

5
6

4
5
)×30
1
8
×58+
1
1
8
×41+
8

4
5
×
5
6

2
5
÷
3
5




(74)
3
5
1
5
4
÷[(-)÷] ×153 – ×53
8
2
8

(75)
5
5


417711310
(76)( + )÷ + (77) ×[ ÷( × )]
54310





(78) (
2
15

3
11
)×15×11 (79)





(80)

46×
44
45





(82)
4157
7
×
22
×
12
(83




(84)36×
9
37




8259
37
14
39

2008×
2006
2007


9
10
×
1394
17

10
×
17
85)
1111
13

13
×
13
33

(81)




(86)


77
4535
×101-





(87)
2525
7979

53519
(88) × + × (89)17×

949416







(91)

(93)73

(94) 166

44
67
×37 (92)2004×
45
2003
1
1
×
15
8
1
÷41
20
13
263
×39 + ×25 + ×
4
413
(95)
4





(96)1
4
23
117
×(2 - )+ 15 ÷
34
171221

(97)2000÷2000

2000

2001
199319941

199319921994
(98)




(99)3
3
5
×25
2
5
+ ×6
2
5




(100)(9
2 2
7
+7
9
)÷(
5
7
+
5
9< br>)





分数乘除法简便运算100题答案

(1)(
84
9
+
27
)×3 ×9 =31





(3)
1
6
×(7 -
2
19
3
)=
18





(5)
2
9
×
353
11
4
+
27
×
4
=
36







(2)(
3
8
-
3
8
)×
6
15
=0
4)
5
6
×
5
9
+
5
9
×
15
6
=
9

6)
67626
13
×
5
-
13
×
5
=
13










(7)




7533433
3
×6 - × 6 =1 (8) + × + × =
121288787
4
(9) 37×
36
6
= 3 (10) × 24
35
35
=
=5




(12)
15
21
×
31033
1
4
+
21
×
4
-
4
=
7




(14)
8
9
×
8
9

88
9
×
9
=0



(16)(
4
7
+
8
9
)×7 ×9=92




(17) 36×
34
35

=(35+1)×
34
35

25
6
25
× (25-1)
19
25

(12)
7
10
×101-
7
10
=70
(14)
33
5
× 99 +
5
=60
(16)3
4
5
×25=95
18) (
5518
6
-
9

5
=1





= 34



34

35
2125
(19)26 × (20)32 ×
35
=(25+
5
1
3
)×
5
=
=5
1
3
=27








< br>1



1

1


(2 1)
10

25

=
1
7






3
(23)
7
7
8

4
7

7
8
=
87



(25)
35




20
5

1
6


=12
2






56
(30+
12
5
)×
5
6




35
5

(22)

7


5
=7
1
7

7121
(24)
9

9

9

9
=5
(26)
5
9

545
12
12

9

12
=
5




33433
37
37
(27) - × - × =0 (28)
63
=37
88787
62
62


229
1
626
730
(29) ÷+÷= (30) ×(15× ) =
2931
31
3
737
6




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
(36)

811

=19
7








53
1

115313

1







6848126424

24

=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
353
(43)
=60









(45)
×


(46)
11
44
+×

=2
(45)
101×
=16

55
2525
55
81
+×15
=10
(47)8÷8=1
88
1515





(48)
1
6266
111
×

×
= (49)( 90+)× = 1

888988
3
7377




(50)×+×



(51)
5
7
35
88
5
7
5

7
=
85
5
10
1
4
5
×+÷ (52)18×(+)=23
1516
27
9
=
3



(53)
22
3
×7+
3
×5 =8


(55)(
5444
12
7
×
7+
7
)÷
7

=
7




(57)

3
3743
8
×
11

11
×
3
8
=
3
3
8





(59)
5
9

759
5
12

12

5

=
9



9
6
(54)(
1
6

1
12
) ×(24-
4
5
)=1
14
15
(56)
1
5
÷[(
2
3
+
1
1
5
)×
1 3
]=3
58)
333
1
3
×3 =1000

60)
2
3

525
4

5

6
=1





(62)(32×
1
31
1
15
+17)÷ (62)
(25+)÷+


412
=60



(63)
18
9
7
99
25×
16

25
×
16

9
16
=
8



(64)
63(
5
9
4
21

3
7
)
=20



(67)(21×
341
21
7

7
×21)×
4
=
4










(69)
1 442
7
15
÷[(
5

3
)×
1011
] =
10
(69)




44
4
=
103
4
65)
[
511316
8
(
2

3
)
4
]
23
=0

(67)(99+
9
10
)÷9 =11
1
9


5
6

4
5
)×30 =49




9
1
11
569
1
×-÷ = (71) ×58+×41+
8
2
588
6510
(70)
=



(73)
4451
1
452
3
4
××- (73) ×+÷ =
5742
=
14



(74)
4
5
÷[(
5
1
5
8

2
)÷
8

= 4


(76)(
4
5

1
4
)÷
7
3

7
10
=
23
20
(77)






(78) (
2
15

3
11
)×15×11 =67 (79)





(80)

46×
44
45
=44
44
45



565
5
3

3
5
×153 – ×53=60
1
8
×[
1
2
÷(
310
3
5
×
9
)] =
32

37
14
31
39
=3
39

2008×
2006
2006
2007
=2006
2007

(75)
(81)




4157913949
5
(82) × × = (83) × + × =
72212
22




(84)36×
9
28
37
=
37





(86)
7
25
×101-
7
25

=28





(88)
53515
9
×
4

9
×
4
=
9





(91)
44
45
×37
=(1-
1
45
)×37 =
= 1×37 -
1
45
×37 = 2003
= 36
8
45
=67


(93)73
1
15
×
1
8

= (72 +
16
15

1
8

1017101710
(85)
111113
20
13

13
×
33
=
33

(87)
4
7

5
9

35
5
7

9
=
9

(89)17×
9
9
16
= 9
16


92)2004×
67
2003

(2003+1)×
67
2003

×
6767
2003
+ 1×
2003

67
2003





= 72 ×
= 9

1
16
1
+ ×
8
15
8
2

15
1
÷41
20
411
= (164 + )×
2041

1411
= 164× + ×
412041

1
= 4
20
(94) 166

13
263
×39 + ×25 + ×
4
413
(95)
4
333
26
×13 + ×25 + ×
444
13
3
= ×(13 + 25 + 2)
4
3
= ×40
4
=
= 30





4
23
117
×(2 - )+ 15 ÷
34
171221
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 + ×6
555
3222
= 3×25 + (25+)×6
5555
32222
= 3×25 + 25×6 + ×6
55555
(99)3
= (+)× + ×8×
= 254 + 80
= 334


(100)(9
2255
+7)÷(+)
7979
6565
55
= (+)÷(+)
79
79
1111
= [65×(+)]÷[5×(+)]
7979
= 65÷5
= 13


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