分数乘除法简便运算题有答案
小学三年级主题班会-梨花落
分数乘除法简便运算100题
8433612
(1)(
9
+
27
)×3 ×9
(2)(
8
-
8
)×
15
(3)
6
×(7 -
3
)
555123536762
(4)
6
×
9
+
9
×
6
(5)
9
×
4
+
27
×
4
(6)
13
×
5
-
13
×
5
(7)
75
12
×6 -
12
× 6
(10)
6
25
× 24
(13)
8
9
×
888
9
—
9
×
9
(16)3
4
5
×25
(19)26
2
1
3
×
5
5
(22)
35
7
5
(8)
33433
8
+
8
×
7
+
8
×
7
(11)
15
21
×
3
4
+
10
21
×
3
4
-
3
4
(14)
3
5
× 99 +
3
5
(17) 36×
34
35
(20)32
25
5
×
6
37
(23)
7
8
4
7
7
8
(9) 37×
3
35
(12)
77
10
×101-
10
15) (
4
7
+
8
9
)×7 ×9
18) (
5
6
-
5
9
)×
18
5
21)
1
11
10
2
5
7
(24)
9
1
9
21
9
9
(
(
(
(25)
33433
3
5
5545
20
(26)
(27) - × - ×
88787<
br>5
6
912912
(28)
63
229
37
1
626
(29) ÷+÷ (30) ×(15× )
2931
3
76237
528385
(31) × ×
(32)25 ×4 (33)54×( - )
8315496
5
1
117
51921
3568
419
0.37523
25
113
(3
6
)
725
(34)
121824
72
(35)
811
<
br>
53
1
115313
1
7
1125
6848
12642424
95911
(37) (38) (39)
555
111
43433
88
265578157
8
(42)
7912
7912
343
(41)
8
(40)
11<
br>535
4
3344240.6
353
(43)
(44)8×
5
+
5
×3.2 (45)
101×
25
1
626
558
(46)
8
+
8
×15
(47)8
15
÷8 (48)
3
×
7
+
3
×
7
11
35
55
85510
(49)(
90+
88
)×
89
(50)
7
×
8
+
8
×
7
(51)
15
×
16
+
27
÷
9
4
5
1
22
1
4
(52)1
8×(
9
+
6
)
(53)×7+×5
(54)(-)×(24-)
6
12
335
3743
1
54442
1
1
(55)(×+)÷
(56)÷[(+)×] (57)
3
×+×
3
5
811118
13
77773
5
1
5759
2525
(58)
333
×3
(59)
(60)
3
912125
3456
(61)
(32×
543511316
341
(64)
63()
(65)
[()]
(21×+×21)×
9217823423
(66)
774
31
1
1
5189799
+17)÷
(62)
(25+)÷+
(63) ×+×+
12
2516251616
4
44
4
(67)(99+
914
42
10
54
)÷9
(68) ÷[(+)×] (69)(+)×30
101511
5
365
44
11
56
9
9
4451
1
×-÷ (71) ×58+×41+××-
(80)
46×
8
88
(72)
5742
45
(70)
65
10
5
(73)
2006
5
1
5
452
3
4
3
×+÷ (74) ÷[(-)÷]
×153 – 0.6×53
(81)
2008×
5
2007
8
2
8
(75)
565
5
5
14
41771131023
(76)( + )÷ + (77) ×[ ÷( × )] (78) ( +
)×15×11 (79)
37
5431082591511
39
41113
(82)
7
×
22
×
12
(83)
10
×
17
+
10
×
17
(84)36×
37
(85)
13
-
13
×
33
53519
77
4535
(86)
×101-
(87)
(88) × + ×
(89)17×
949416
2525
7979
(91)
1
1
44671
×37
(92)2004×(93)73× (94) 166÷41
15
8
452003
20
312000
132642317
×39 + ×25 +
×(96)1×(2 - )+ 15 ÷ (97)2000÷2000
13122001
444173421
(95)
3
199319941
22225
5
(99)3×25 + 37.9×6 (100)(9+7)÷(+)
59
55797
199319921994
(98)
分数乘除法简便运算100题答案
84336
(1)(
9
+
27
)×3 ×9
=31 (2)(
8
-
8
)×
15
=0
1255515
19
(3)
6
×(7 -
3
)= (4)
6
×
9
+
9
×
6
=
9
18
2353
11
67626
(5)
9
×
4
+
27
×
4
= (6)
13
×
5
-
13
×
5
=
13
36
(7)
75
12
×6 -
12
× 6 =1
(9) 37×
3
= 3
6
35
35
=
=5
(11)
15310
21
×
4
+
21
×
3
4
-
3
4
=
1
7
(14)
8888
9
×
9
—
9
×
9
=0
(15)(
4
7
+
8
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
=
=5
1
3
=27
1
1
1
<
br>(21)
10
25
=
1
7
(8)
3
8
+
3
8
×
4
7
+
3
8
×
3
7
=
3
4
(10)
6
25
× 24
6
25
× (25-1)
19
25
(12)
77
10
×101-
10
=70
(14)
33
5
× 99 +
5
=60
(16)3
4
5
×25=95
(18) (
5
6
-
5
9
)×
18
5
=1
20)32
25
5
×
6
(30+
12
5
)×
5
6
35
5
(22)
7
5
=7
1
7
(
37477121
8
78789999
=5 (23)=
(24)
7
(25)
3
5
5545
112
20
=12
(26)
=
5
6
25<
br>912912
33433
37
37
(27) - × - ×
=0 (28)
63
=37
88787
62<
br>62
229
1
626
730
(29) ÷+÷=
(30) ×(15× ) =
2931
31
3
737
6
528
2
3
(31) × × = (32)25
×4= 103
8315
9
4
5
1
117
85
(33)54×( - )=3
(34)
121824
72
96
=109
<
br>51921
3568
419
0.37523
525
113
=0
(36)
725
(35)
811
=19
7
53
1
115313
1
6848
126424
24
=7
(37)
=58
(38)
71125434
265578157
5911
=
5
(40)
343
=750
(39)
9
11
555<
br>
111
33
<
br>
88
8
=64
(42)
7912
7912
=5
(41)
8
535
3344240.6
353
(43)
=60
1
44
×3.2
=2
(45)
101×
=16
5
2525
5581
(46) +×15
=10
(47)8÷8=1
881515
1
6266
111
(48)
×
+
×
= (49)( 90+)× = 1
888988
3
7377
(44)
6.8×+
1
5
(50)×+×
5
7
3
8
5
8
5
7
5
=
7
(51)
85510
1
4
5
×+÷
(52)18×(+)=23
1516279
=
3
9
6
14
1
22
1
4
(53)×7+×5 =8 (54)(-)×(24-)=1
15
6
12
335
1
5 444
12
2
1
1
(55)(×+)÷ (56)÷[(+)×]=3
5
13
7777
=
7
35
1
37433
(57)
3
×+×
3
=
3
(58)
333
×3 =1000
3
8111188
5
5759
2525
(59)
(60)
912125
=
9
3456
=1
(61) (32×
1
31
1
1
5
+17)÷ (62)(25+)÷+
12
=60
4
44
4
=
103
4
(63)
189799
9
×+× +
2516251616
=
8
543511316
63()
=20 (65)
[()]
9217823423
=0(64)
211
341
9
(66)(2 1×+×21)× = (67)(99+)÷9 =11
4
9
10
774
7
14
42
10
54
(68)÷[(+)×] = (69)(+)×30 =49
10
1511
5365
11
56
9
9
1
1
×-÷ = (71) ×58+×41+
8
588
2
10
65
(7 0)
=12.5
(72)
4451
1
452
3
4< br>××- (73) ×+÷ =
5742
=< br>14
565
5
3
5
1
5
4
3
÷[(-)÷ ×153 – 0.6×53=60
8
2
8
】
= 4
(75)
5
5
(74)
233
417711310
(76)( + )÷ + = (77) ×[ ÷( × )] =
5431 0
20
8259
32
23
14
31
(78) ( + )×15×11 =67 (79)
37
=3
1511
39
39
2006
44
442006
(80)
46×=44
(81)
2008× =2006
2007
452007
45
4157913949
5
(82)
7
×
22
×
12
= (83)
10
×
17
+
10
×
17
=
10
22
9111113
2028
(84)36×
37
= (85)
13
-
13
×
33
=
3733
77
4535
5
=
(86) ×101-
=28
(87)
2525
7979
9
535159
9
(88)
9
×
4
+
9
×
4
=
9
(89)17×
16
= 9
16
4467
×37 (92)2004×
452003
167
=(1-)×37 =
(2003+1)×
452003
16767
= 1×37 - ×37
= 2003× + 1×
4520032003
867
= 36
=67
452003
1
1
(93)73×
15
8
1
16
= (72 + )×
8
15
1
16
1
= 72 × + ×
8
15
8
2
= 9
15
(91)
1
÷41
20
411
= (164 +
)×
2041
1411
= 164× +
×
412041
1
= 4
20
(94)
166
3
1326
×39 + ×25 + ×
13
44
(95)
4
33326
×13 + ×25 +
×
44413
3
= ×(13 + 25 + 2)
4
3
= ×40
4
=
= 30
1
42317
×(2 - )+ 15 ÷
12
173421
111
2121
= ×1 + 15×
1212
1717
111
21
= ×(1 + 15)
1212
17
(96)1
= 21
(97)2000÷2000
2000
2001
200020012000
= 2000÷
2001
= 2000 ÷
=
2001
20002002
2001
2002
199319941
199319921994
(98)
(19921)19941
199319921994
199219941993
=
199319921994
=
= 1
3
22
×25 + 37.9×6
5
55
3
222
= 3×25 + (25+12.5)×6
5
555
3
2222
= 3×25 + 25×6 +
12.5×6
5
5555
(99)3
=
(3.6+6.4)×25.4 + 12.5×8×0.8
= 254 + 80
= 334
(100)(9
225
5
+7)÷(+)
797
9
65655
5
= (+)÷(+)
797
9
1
1
1
1
=
[65×(+)]÷[5×(+)]
7
9
7
9
= 65÷5
= 13