人教版2023-2024学年三年级数学上册寒假分类集训:脱式计算训练(附答案)

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人教版2023-2024学年三年级数学上册寒假分类集训:脱式计算训练(附答案)

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人教版2023-2024学年三年级数学上册寒假分类
集训:脱式计算训练
1.脱式计算下面各题
(1)105×4-128 (2)758-58×5 (3)369+(512-211)
2.脱式计算(能简算的要简算).
①564+134×28 ②840﹣624÷12 ③298+657
④582﹣(182+346) ⑤432﹣397 ⑥375+128+225+72.
3.脱式计算。
①5×(406﹣115) ②760+40÷8 ③152×6﹣308
4.脱式计算。
56+12×6 4×(36-18) 480÷(100-92)
5.脱式计算。
(1)125-25×4 (2)202×6×0 (3)(263+227)×3
6. 脱式计算。
850-610÷5 46×9-115 917÷(4+3)
265+35×5 5×(32+296) (862-278)÷4
7.脱式计算。
①100-60÷3 ②3×(140+260) ③25+15×6
④630÷9+20 ⑤(370-190)÷6 ⑥50×8÷4
8. 脱式计算。
①56+52÷4 ②(123-45)÷3 ③21×8+81÷3
④24×5+27×4 ⑤(39+13)×8 ⑥168-91÷7
9.脱式计算。
①39×6+54 ②5×12×8 ③(300-175)×8
④106×5-300 ⑤(75+125)×5 ⑥7×(72-64)
10.混合运算。
586-(371+129) 398+81÷9 (311-146)×6
11.脱式计算。
①(127-56)×3 ②(52+29)÷9 ③38×7-24×4
④165-(42+58) ⑤73×(12÷6) ⑥45×(63÷9)
12. 先确定运算顺序,再计算。
(1)250×3-567 (2)328+72×5 (3)(507-488)×6
13.脱式计算。
(1)82﹣19×4 (2)330﹣181+159 (3)(310+250)÷7
14.前面三题竖式计算,后面脱式计算。
①7880÷8 ②3180×3 ③786÷6
④245×4+385×6 ⑤488÷4-125÷25 ⑥810÷(45-36)
15.脱式计算
(1)348×3+252 (2)880-25×8 (3)492+72÷9
16.脱式计算。
(1)25×4×15 (2)72÷9×304 (3)(350-140)×4 (4)167×4+180
17.看谁算得快。
302+303+304+305+306
=(  )×(  )
=(  )
18.脱式计算。
821-(187+296) 54÷9×36 106×(65-56)
19.计算。
①35+65÷5 ②(380+212)×7
③459-60+40 ④91÷(263-256)
20.脱式计算。
(1)12+84÷2 (2)(45+39)÷4 (3)3×(41-18)
21.巧算。
①534-208
②738-198
③(2+4+6+……+2022+2024)-(1+3+5+……+2021+2023)
答案
1.(1)解:105×4-128
=420-128
=292
(2)解:758-58×5
=758-290
=468
(3)解:369+(512-211)
=369+301
=670
2.解:
①564+134×28
=56+3752
=3808
②840﹣624÷12
=840﹣52
=788
③298+657
=300﹣2+657
=300+657﹣2
=957﹣2
=955
④582﹣(182+346)
=582﹣182﹣346
=400﹣346
=54
⑤432﹣397
=432﹣(400﹣3)
=432﹣400+3
=32+3
=35
⑥375+128+225+72
=(375+225)+(128+72)
=600+200
=800
3.解:①5×(406﹣115)
=5×291
=1455
②760+40÷8
=760+5
=765
③152×6﹣308
=912﹣308
=604
4.解:56+12×6
=56+72
=128
4×(36-18)
=4×18
=72
480÷(100-92)
=480÷8
=60
5.(1)125-25×4
=125-100
=25
(2)202×6×0
=0×6
=0
(3)(263+227)×3
=490×3
=1470
6.解:850-610÷5
=850-122
=728
46×9-115
=414-115
=299
917÷(4+3)
=917÷7
=131
265+35×5
=265+175
=440
5×(32+296)
=5×328
=1640
(862-278)÷4
=584÷4
=146
7.解:①100-60÷3
=100-20
=80
②3×(140+260)
=3×400
=1200
③25+15×6
=25+90
=115
④630÷9+20
=70+20
=90
⑤(370-190)÷6
=180÷6
=30
⑥50×8÷4
=400÷4
=100
8.解:①56+52÷4
=56+13
=69
②(123-45)÷3
=78÷3
=26
③21×8+81÷3
=168+27
=195
④24×5+27×4
=120+118
=228
⑤(39+13)×8
=52×8
=416
⑥168-91÷7
=168-13
=155
9.解:①39×6+54
=234+54
=288
②5×12×8
=60×85
=480
③(300-175)×8
=125×8
=1000
④106×5-300
=530-300
=230
⑤(75+125)×5
=200×5
=1000
⑥7×(72-64)
=7×8
=56
10.解:586-(371+129)
=586-500
=86
398+81÷9
=398+9
=407
(311-146)×6
=165×6
=990
11.①(127-56)×3
=71×3
=213
②(52+29)÷9
=81÷9
=9
③38×7-24×4
=266-96
=170
④165-(42+58)
=165-100
=65
⑤73×(12÷6)
=73×2
=146
⑥45×(63÷9)
=45×7
=315
12.(1)解:250×3-567
=750-567
=183
(2)解:328+72×5
=328+360
=688
(3)解:(507-488)×6
=19×6
=114
13.(1)解:82﹣19×4
=81﹣76
=5
(2)解:330﹣181+159
=149+159
=308
(3)解:(310+250)÷7
=560÷7
=80
14.①7880÷8 =985
②3180×3 =9540
③786÷6 =131
④245×4+385×6
=980+2310
=3290
⑤488÷4-125÷25
=122-5
=117
⑥810÷(45-36)
=810÷9
=90
15.(1)解:348×3+252
=1044+252
=1296
(2)解:880-25×8
=880-200
=680
(3)解:492+72÷9
=492+8
=500
16.(1)25×4×15
=100×15
=1500
(2)72÷9×304
=8×304
=2432
(3)(350-140)×4
=210×4
=840
(4)167×4+180
=668+180
=848
17.解:302+303+304+305+306
=304×5
=1520
18.解:821-(187+296)
=821-483
=338
54÷9×36
=6×36
=216
106×(65-56)
=106×9
=954
19.解:①35+65÷5
=35+13
=48
②(380+212)×7
=592×7
=4144
③459-60+40
=399+40
=439
④91÷(263-256)
=91÷7
=13
20.(1)解:12+84÷2
=12+42
=54
(2)解:(45+39)÷4
=(45+39)÷4
=84÷4
=21
(3)解:3×(41-18)
=3×23
=69
21.解:①534- 208
=534-(200+8)
=534-200-8
=334-8
=326
③738-198
=738-(200-2)
=738-200+2
=538+2
=540
③(2+4+6+…+2022+2024)-(1+3+5+…+2021+2023)
=(2-1)+(4-3)+(6-5) +…+(2022-2021)+(2024-2023)
=
= 1012

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