小学四年级数学上册经典计算题大全Word下载.doc
《小学四年级数学上册经典计算题大全Word下载.doc》由会员分享,可在线阅读,更多相关《小学四年级数学上册经典计算题大全Word下载.doc(5页珍藏版)》请在冰豆网上搜索。
56
624×
7846×
589353×
5645×
240479×
85
二、竖式:
三位数除以两位数、验算
336÷
21858÷
39918÷
27888÷
37645÷
32
432÷
46966÷
23731÷
79980÷
28828÷
36
689÷
34618÷
88372÷
45294÷
29328÷
42
395÷
56765÷
74840÷
35630÷
31961÷
19
三、简便计算
1.加法交换结合律:
48+25+175578+143+22+57128+89+72357+288+143
129+235+171+165378+527+73167+289+33
75+34+125+366125+75+320153+38+16258+39+42+61
2.乘法交换结合律
(一):
25×
125×
32=(15×
25)×
4=38×
25×
4=35×
2×
5=
(60×
4=(125×
5)×
8=25×
17×
4=5×
289×
2=
(25×
125)×
(8×
4)=38×
8×
3=
3.乘法交换结合律
(二):
3224×
125125×
56125×
72125×
16
48×
125125×
64 25×
3625×
3225×
4.乘法分配律
(一):
34×
72+34×
287×
48+7×
5235×
37+65×
37
85×
82+82×
1525×
97+25×
376×
25+25×
24
16×
17+16×
2327×
36+27×
6473×
36+36×
27
64×
23+36×
2343×
36+57×
3619×
67+19×
33
57×
35+43×
3518×
72+72×
18246×
46+46×
54
31×
69+31×
3134×
13-34×
3
5.乘法分配律
(二):
38×
99+3875×
299+75102×
99+10239+9×
39
99×
128+12827+99×
2734+199×
3435×
99+35
6.乘法分配律(三):
(8+80)(80+4)×
258×
(125+9)(20+4)×
25
32×
(200+3)(125+17)×
8(100+2)×
99(25+100)×
4
7.乘法分配律(四):
46×
10248×
10199×
46102×
42103×
31
107×
16108×
15125×
8888×
102102×
99
8.商不变的规律:
300÷
254000÷
125240÷
5600÷
253200÷
50
400÷
25150÷
25800÷
252000÷
1259000÷
125
四、混合运算
672-672÷
12×
7987÷
(345-298)×
65
210×
[520÷
(240-227)]340-240÷
20×
5
30×
(320-170)÷
90[458-(85+28)]÷
23
630×
[840÷
(240-212)]408÷
[512-(178+283)]
864÷
[(27-23)×
12](105×
12-635)÷
25
240-140÷
5×
3360-260÷
104×
48+272÷
1635+65÷
5-20