分数乘除法简便运算100题(有答案过程)

玛丽莲梦兔
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2021年01月03日 07:51
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分数乘除法简便运算100题(有答案)

84336
(1)(
9
+
27
)×3 ×9 (2)(
8
-
8
)×
15






(3)
12
6
×(7 -
3





(5)
23
+
53
9
×
427
×
4






(7)
7
×6 -
5
1212
× 6




(9) 37×
3
35



(11)
1531033
21
×
4
+
21
×
4
-
4




(4)
5551
6
×
9
+
9
×
6

6)
67
-
62
13
×
513
×
5

(8)
33433
8
+
8
×
7
+
8
×
7

10)
6
25
× 24

(12)
77
10
×101-
10





888833
(13) × — × (14) × 99 +
999955



484
(15)( + )×7 ×9 (16)3 ×25
79




(17) 36×
34
35





(19)26
2

1
3
×
5





1



1

1


(21)
10

25







3
(23)
7
7
8

4
7

7
8



(25)
3
5



< br>20
5

6




5
(18) (
5518
6
-
9

5

(20)32
25
5
×
6



35
5

22)

7


5

712(24)
9

9

9

1
9

(26)
554
9

12

5
9

12






33433
37
(27) - × - × (28)
63

88787
62


229
1626
(29) ÷+÷ (30) ×(15× )
2931
3737




5283
(31) × × (32)25 ×4
83154



5

1

11 7



85
(33)54×( - )
(34)

121824

72

96




3568
51921
419
0.375 23
25
113
(36)
725
(35)

811









53

1

115313

1







6848126424

24


(37)



(38)








71125
434

265578157
5911
(40)
343
(39)
9






555

111

33







88
7912
 
7912



8
(41)
8


(42)






535
3344240.6
353
(43)





(44)
6.8×+


(46)
1
5
1
4
×3.2
(45)
101×

25
5
558
+×15 (47)8÷8
8815





(48)
1626
11
×

×
(49)( 90+)×

8889
3737




(50)×+×

5
7
3
8
5
8
5
7




(51)



(53)×7+×5 (54)(-


(55)(×+)÷ (56)÷[(+)×
5
7
4
7
4
7
4
7
1
5
2
3
1
5
1
]
13
2
3
2
3
1
6< br>14
)×(24-)
5
12
8551045
×+÷ (52)18×(+)
96
1516
27
9




37431
(57)

3
×+×
3

(58)
333
×3

8111183





(59)
5759
2525

(60)


912125
3456



(61)(32×



(63)
189799
×+×+
25
16
25
1616

31
1
15
+17)÷ (62)
(25+)÷+

4
12

44
4





543511316

63()
(65)
[()]
9217823423
(64)



(66)(21×







(68)




3419
+×21)× (67)(99+)÷9
774
10
14421054
÷[(+)×] (69)(+)×30
5365
1511
569911
1
×-÷ (71) ×58+×41+
8
88
(70)
65
10
5



(72)



(74)
44514523
××- (73) ×+÷
57425655
4515
3
÷[(-)÷] ×153 – 0.6×53
5828

(75)
5




417711310
(76)( + )÷ + (77) ×[ ÷( × )]
543108259





(78) (
2
15

3
11
)×15×11 (79)





(80)

46×
44
45





(82)
4157
7
×
22
×
12





(84)36×
9
37





(86)
7
25
×101-
7
25






(88)
5351
9
×
4

9
×
4

37
14
39

2008×
2006
2007

(83)
91394
10
×
17

10
×
17
(85)
111113
13

13
×
33

(87)
4535
7

9

7

9

(89)17×
9
16



(81)












(91)

(93)73

(94) 166

4467
×37 (92)2004×
452003
1
1
×
15
8
1
÷41
20
13
263
×39 + ×25 + ×
4
413
(95)
4





(96)1
23
4117
×(2 - )+ 15 ÷
34
171221

(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

1)(
8
+
4
9

27
)×3 ×9 =31

3)
1
7 -
2
19
6
×(
3
)=
18


5)
2
×
353
11
94
+
27
×
4
=
36

7)
75
12
×6 -
12
× 6 =1
9) 37×
3
= 3
6
35

35

(2)(
336
8
-
8
)×
15
=0
(4)
55515
6
×
9
+
9
×
6
=
9

(6)
67626
13
×
5
-
13
×
5
=
13
(8)
3
8
+
3
8
×
4
7
+
3
8
×
3
7
=
3
4

(10)
6
25
× 24
6
25
× (25-1)

























=


=5




19

25
(12)
1531033
1
77
× + × - = (12) ×101- =70
2142144
7




(14)
8
9
×
8
9

8
9
×
8
9
=0



(16)(
48
7
+
9
)×7 ×9=92




(17) 36×
34
35

=(35+1)×
34
35

= 34
34
35




(19)26
2
1
3
×
5

=(25+
5
1
3
)×
5
=
1010
(14)
33
5
× 99 +
5
=60
(16)3
4
5
×25=95
(18) (
5518
6
-
9

5
=1
20)32
25
5
×
6

(30+
12
5
5
)×
6



1
=5 =27
3









1
10



11


2

5

(21)

=
1
7






3
(23)
7

747
8

7

8
=
8
7



(25)
3
5




20
5

6
< br>
=12
1
2






(27)
3
8
-
3
8
×
4
7
-
33
8
×
7
=0


(29)
162 6
7
3
÷
7

3
÷
7
=
6







35
5


5
(22)

7

=7
1
7

71
(2 4)
9

9

2
9

1
9
=5
(26)
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


< br>85
(33)54×( - )=3
(34)

121824

72
=109

96




3568
51921
4 19
0.37523
5
25
113
=0
(36)
725
(36)

811

=19
7








53

1

115313
1








6 848126424

24

=7


(38)


=58
(38)








7 1125
434

265578157
5911
=
5
(40)
343
=750
(39)
9
11






555

111

33







88
7912

7912

=5

8
(42)
8

=64
(42)






535
3344240.6
(43)
353








(45)
6.8×
1

1
55
×3.2

=2
(45)


(46)
5
8

5
8
×15
=10
(47)8





(48)
1
3
×
6
7

2
3
×
6
7
=
6
7
(49




(50)
53555
7
×
8
+
8
×
7
=
7




(51)
855
15
×
16
+
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×(
45
9
+
6
)=23


14
22114
(53)×7+×5 =8 (54)(-)×(24-)=1
15
336
12
5


(55)(×+)÷
5
7
4
7
4
7
412
1211
(56)÷[(+)×]=3
7
=
7
535
13




374331
(57)

3
×+×
3
=
3

(58)
333
×3 =1000

81111883





(59)
5
5759
2525
(60)



9
912125
=
3456
=1



(62)(32×



(63)



189799
9
×+×+
25
16
2 5
1616
=
8

1
31
1
15
+17)÷ (62)
(25+)÷ +
4
12
=60
44
4
=
103
4


543511316

63()
=20 (65)
[()]
9217823423
=0(64)



(67)(21×
211
3419
+×21)× = (67)(99+)÷9 =11
49
774
10










(69)
144210
7
15
÷[(
5

3
)×< br>11
] =
10





5
×
6

9
÷
9
=
1

(70)
65
10
5
2




(73)
4
5
×
4
7
×5
4

1
1
2

=
14



(69)(
5
6

4
5
)×30 =49
(71)
1
8
×58+
1
1
8
×41+
8
=12.5

(73)
4523
4
5
×
6

5
÷
5
=
3




(74)


4515
3
÷[(-)÷ ×153 – 0.6×53=60
5828

= 4
(75)
5
233
417711310
(76)( + )÷ + = (77) ×[ ÷( × )] =
543108259
20






(78) (
2
15

3
11
)×15×11 =67 (79)





(80)

46×
44
45
=44
44
45





(82)
4
×
157
5
7

22
×
12
=
22





(84)36×
9
28
37
=
37





(86)
77
25
×101-
25

=28


32
37
14
31
39
=3
39

(81)
2008×
2006
2007
=2006
2006
2007

(83)
9
×
13949
10

17

10
×
17
=
10
(85)
11

1113
20
13

13
×
33
=
33

(87) 4
7

5
9

3
7

55
9
=
9









535159
9
(88)
9
×
4

9
×
4
=
9
(89)17×
16
= 9

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
1
1
×
15
8
1
16
= (72 + )×
8
15
1
16
1
= 72 × + ×
8
15
8
2
= 9
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





23
4117
×(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

(98)
199319921994
(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
55
6565
= (+)÷(+)
79
79
1111
= [65×(+)]÷[5×(+)]
7979
= 65÷5
= 13


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