小学四年级数学计算题天天练文档格式.docx
《小学四年级数学计算题天天练文档格式.docx》由会员分享,可在线阅读,更多相关《小学四年级数学计算题天天练文档格式.docx(9页珍藏版)》请在冰豆网上搜索。
828÷
36689÷
34618÷
88
372÷
45294÷
29328÷
42
395÷
56765÷
74840÷
35
三、简便计算
1.加法交换结合律:
48+25+175578+143+22+57128+89+72
357+288+143129+235+171+165378+527+73
167+289+3358+39+42+6175+34+125+366
125+75+320153+38+162163+32+137+268
158+395+105822+197+78
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=
17×
4=(25×
125)×
(8×
4)=38×
8×
3=
5×
289×
2=125×
2=9×
125=
43×
4=125×
50×
2=42×
8=
60×
8=25×
4=37×
3.乘法交换结合律
(二):
32=24×
125=125×
56=125×
72=
16=48×
125=125×
64=25×
36=
32=25×
16=25×
24=25×
28=
4.乘法分配律
(一):
34×
72+34×
28=7×
48+7×
52=35×
37+65×
37=
85×
82+82×
15=25×
97+25×
3=76×
25+25×
24=
16×
17+16×
23=27×
36+27×
64=73×
36+36×
27=
64×
23+36×
23=43×
36+57×
36=19×
67+19×
33=
57×
35+43×
35=18×
72+72×
182=46×
46+46×
54=
31×
69+31×
31=34×
13-34×
3=
5.乘法分配律
(二):
38×
99+3875×
299+75102×
99+102
39+9×
3999×
128+12827+99×
34+199×
3435×
99+35
6.乘法分配律(三):
(8+80)(80+4)×
258×
(125+9)
(20+4)×
2532×
(200+3)(125+17)×
8
(100+2)×
99102×
(100-1)25×
(40+4)
(25+100)×
499×
(100+1)(125+40)×
(125+25)×
899×
(100+7)8×
(125+7)
7.乘法分配律(四):
10248×
10199×
46102×
103×
31107×
16108×
15125×
88×
102102×
9939×
10125×
41
48×
101201×
24302×
43102×
13
8.商不变的规律:
300÷
254000÷
125240÷
5600÷
3200÷
50400÷
25150÷
25800÷
2000÷
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)÷
240-140÷
3360-260÷
104×
48+272÷
1635+65÷
5-20
240+180÷
2450÷
30+20×
3
146-(34+420÷
70)624÷
[(27-14)×
4]
(77-21÷
7)×
691(165-65÷
840÷
[(120+195)÷
15][557-(186+26)]÷
23
375÷
(25-10)×
15(659-34)?
(280?
40)
720?
[(12+24)?
20]15×
27-200÷
8
(324-285)×
12÷
26(160-48÷
12)×
4
[(36-29)×
6]62×
(300-145÷
5)
50(36×
54-984)÷
24
150÷
[90÷
(67-52)]659-34?
(280?
40)
182÷
[36÷
(12+6)]640÷
[(96-80)×
4]
四年级数学计算题专练
(1)班别:
姓名:
学号:
计算下面各题,能用简便方法的要用简便方法算。
(48+27)×
9
324−(24+13)
369−342÷
(186−151)×
15÷
25
136×
101−136
5−245÷
21+56+79+44
281−81÷
9+31
983−(583+126)
382−(127+73)
175×
63−75×
63
1500÷
25÷
4000÷
(309+139)÷
(39−23)
(2)班别:
98×
45
355+260+140+245
360÷
18×
16
4×
29×
99
8+35×
3−35
27×
53−17×
53
90−(38+128÷
32)
72−840÷
(18+42)×
((72÷
6)
8100÷
(9×
20)
425−38+75
9000÷
125÷
99×
34
192÷
(150−24×
(3)班别:
720−720÷
15
32×
(242+556)÷
14×
28+70×
18
102×
39
49×
102−2×
49
300−225÷
5+145
325÷
13×
(266−250)
499+188
3600÷
80×
30+30×
22−60
623−199
(4)班别:
832÷
8×
15—872
(825+25×
8)×
300—225÷
201×
43
798—(428+198)
540÷
45×
(65+35)
3500—175—925
22×
328×
15+72×
6300÷
(63×
5)
(100+8)
756+483—556
35
230×
54+540×
77
(5)班别:
204×
25
97×
4800÷
(6)班别:
101×
87
463−(63−38)
8÷
2
312×
4−112×
723−199
525−138+175
1700÷
599+188
(7)班别:
95.59−(9.593+3.72)
(339−267)×
10−24
28×
7−365÷
27.8+8.56−7.36
(374-265+238)×
6
(8)班别:
5÷
81
99+38
92×
63×
12÷
(38-29)
563-(98-27)
600—360÷
7
40×
25)
230+720÷
(45—25)