苏教版四年级数学下册运算定律专项练习题34Word文件下载.docx
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苏教版四年级数学下册运算定律专项练习题34Word文件下载.docx
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28(50+8)×
2565×
12×
125
35+60+40462+202
27+76+53+24505+635
39+40+41+42+43107+116+793
1+3+5+7+9+11+13+15+17+19
45×
25×
35×
824×
803
42×
46+58×
4624×
(30+5)104×
三、下面各题,怎样算简便就怎样算。
815-70-330106-87-13
97+67=67+____
20=____〇×
45
34+32+58=34〇(____〇____)
26×
2=26×
(8×
16×
(11×
5)=11×
(40+20)×
2=40×
____+20×
72×
9+39×
9=(72+____)×
18×
41+18×
59=____〇(____〇____)
(39+41)=____〇____〇____〇____
444+20136×
25102×
47
114×
85+215×
114(52+8)×
537×
5
26+43+57692+101
13+14+77+86603+170
40+41+42+43+4478+51+622
10+11+12+13+14+15+16+17+18+19
3×
625×
226×
704
75×
19+25×
1939×
(50+5)704×
16
572-128-72212-45-55
18+57=57+____
62×
56=____〇×
62
84+25+35=84〇(____〇____)
15×
6=28×
(18×
17)=(5×
10×
(21×
5)=21×
(20+90)×
2=20×
____+90×
80×
14+85×
14=(80+____)×
43+12×
57=____〇(____〇____)
(41+19)=____〇____〇____〇____
742+50380×
26
42+358×
45(40+2)×
2516×
48+34+66769+504
13+13+67+187803+572
80+81+82+83+8458+13+242
3+5+7+9+11+13+15+17+19+21
2125×
41×
425×
502
27×
31+73×
3175×
(30+4)703×
13
576-74-126105-64-36
68+47=47+____
68×
23=____〇×
68
88+26+24=88〇(____〇____)
6=12×
19)=(5×
(57+15)×
2=57×
____+15×
70×
5+76×
5=(70+____)×
38+3×
42=____〇(____〇____)
40×
(25+55)=____〇____〇____〇____
144+60352×
25201×
14
120×
169+331×
120(16+4)×
586×
14×
87+62+38432+501
34+32+66+168104+507
51+52+53+54+5553+131+747
9×
418×
903
13×
32+87×
3269×
(50+2)801×
969-66-234146-64-36
58+26=26+____
64×
28=____〇×
64
62+31+59=62〇(____〇____)
32×
8=32×
(14×
13)=(5×
8×
(5×
5)=5×
(13+87)×
7=13×
____+87×
92×
16+16×
16=(92+____)×
28+18×
32=____〇(____〇____)
90×
(16+64)=____〇____〇____〇____
499+70360×
44
77×
18+482×
77(26+6)×
573×
92+40+60280+401
32+12+68+188903+616
70+71+72+73+7471+60+229
9+10+11+12+13+14+15+16+17+18
19×
822×
703
53×
13+47×
1344×
(30+3)303×
526-168-32244-10-90
23+53=53+____
61×
54=____〇×
61
56+18+72=56〇(____〇____)
21×
4=21×
(6×
9)=(5×
(22+77)×
2=22×
____+77×
73×
19+61×
19=(73+____)×
17×
47+17×
53=____〇(____〇____)
78×
(20+50)=____〇____〇____〇____
410+50320×
25
63×
17+383×
63(52+6)×
2526×
2×
84+46+54498+801
46+33+14+67505+500
51+52+53+54+5542+11+258
8+10+12+14+16+18+20+22+24+26
825×
11×
402
112+37×
11258×
(50+5)402×
672-163-337147-78-22
59+12=12+____
26=____〇×
80
40+12+78=40〇(____〇____)
6=40×
(28+59)×
2=28×
____+59×
33×
15+78×
15=(33+____)×
38+18×
52=____〇(____〇____)
(15+75)=____〇____〇____〇____
180+40332×
67×
200+100×
67(14+2)×
2519×
37+34+66664+703
14+39+86+61503+191
72+73+74+75+7620+136+280
6+7+8+9+10+11+12+13+14+15
225×
31×
412×
301
39×
106+61×
10665×
984-105-95231-54-46
59+53=53+____
63=____〇×
21+24+56=21〇(____〇____)
4=40×
(12×
20×
(19×
5)=19×
(64+34)×
8=64×
____+34×
46×
10+98×
10=(46+____)×
38+2×
(16+54)=____〇____〇____〇____
712+30344×
34
34+266×
75(24+4)×
2542×
62+39+61405+104
35+40+35+160704+228
28+29+30+31+3218+103+482
618×
303
42+25×
4260×
(10+4)903×
29
707-77-123290-48-52
59+32=32+____
88×
88
32+26+64=32〇(____〇____)
83×
8=83×
(10×
(3×
5)=3×
(65+25)×
7=65×
____+25×
84×
12+25×
12=(84+____)×
17+10×
73=____〇(____〇____)
37×
(44+26)=____〇____〇____〇____
810+20268×
11
100×
15+385×
100(36+2)×
540×
12+70+30683+701
21+57+69+43902+652
12+13+14+15+1683+15+317
4125×
811×
702
52+73×
5290×
(30+5)502×
23
625-175-225154-20-80
48+73=73+____
14=____〇×
75
26+17+73=26〇(____〇____)
4=95×
6×
(27+31)×
4=27×
____+31×
49×
16+72×
16=(49+____)×
12+15×
88=____〇(____〇____)
(27+33)=____〇____〇____〇____
744+80188×
48
78+322×
68(56+6)×
521×
12+23+77293+304
46+27+34+173504+316
17+18+19+20+2155+17+845
4+5+6+7+8+9+10+11+12+13
65×
223×
88+58×
8878×
(50+1)702×
10
941-123-177266-46-54
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