四年级数学下册运算定律综合练习题精选66Word文件下载.docx
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32+468×
82(54+6)×
2541×
125
58+50+50785+901
40+35+20+65702+847
24+25+26+27+2855+66+645
7+9+11+13+15+17+19+21+23+25
85×
39×
210×
802
17×
76+83×
7636×
(20+1)802×
15
三、下面各题,怎样算简便就怎样算。
708-74-126266-79-21
98+46=46+____
63×
74=____〇×
63
10+15+45=10〇(____〇____)
32×
25×
6=32×
(10×
17)=(5×
12×
(21×
5)=21×
(78+33)×
5=78×
____+33×
49×
5+40×
5=(49+____)×
35+14×
45=____〇(____〇____)
59×
(28+72)=____〇____〇____〇____
662+40252×
25202×
20
71+329×
32(54+8)×
2570×
25
56+66+34535+502
47+31+33+69202+820
39+40+41+42+43104+98+596
2+3+4+5+6+7+8+9+10+11
25×
3×
624×
801
87×
112+13×
11259×
(30+1)901×
691-168-32260-68-32
99+21=21+____
90×
89=____〇×
90
87+35+35=87〇(____〇____)
69×
8=69×
(14×
7)=(5×
(30+39)×
2=30×
____+39×
67×
19+52×
19=(67+____)×
36+12×
44=____〇(____〇____)
57×
(49+31)=____〇____〇____〇____
867+90296×
25101×
13
182+318×
17(4+6)×
20×
5
84+73+27655+201
13+70+47+130104+928
77+78+79+80+81189+17+411
2+4+6+8+10+12+14+16+18+20
16×
425×
15×
418×
102
26×
103+74×
10329×
(20+2)101×
16
946-166-34129-26-74
84+98=98+____
60=____〇×
52
71+39+61=71〇(____〇____)
4=49×
(6×
(3×
5)=3×
(93+37)×
6=93×
____+37×
9+99×
9=(67+____)×
24+5×
46=____〇(____〇____)
70×
(20+80)=____〇____〇____〇____
908+10356×
43
89+311×
70(50+4)×
550×
83+21+79759+401
45+14+15+186205+283
15+16+17+18+19146+24+654
5+7+9+11+13+15+17+19+21+23
18×
825×
614×
104
83+10×
8383×
(60+2)602×
28
899-65-135143-65-35
12+41=41+____
52=____〇×
69
55+13+37=55〇(____〇____)
55×
6=55×
21)=(5×
(19×
5)=19×
(32+14)×
7=32×
____+14×
11+46×
11=(70+____)×
35+4×
35=____〇(____〇____)
11×
(48+32)=____〇____〇____〇____
764+70248×
25102×
35
36×
160+140×
36(44+8)×
2549×
49+81+19154+202
23+52+57+48103+623
68+69+70+71+72139+16+61
5+6+7+8+9+10+11+12+13+14
13×
625×
31×
218×
502
45+55×
4518×
(60+5)204×
21
845-181-219101-51-49
20+17=17+____
62×
92=____〇×
62
30+24+56=30〇(____〇____)
2=49×
(4×
11)=(5×
(17×
5)=17×
(53+87)×
5=53×
____+87×
43×
19+15×
19=(43+____)×
32+15×
28=____〇(____〇____)
79×
(21+59)=____〇____〇____〇____
243+20336×
14
77×
73+327×
77(48+8)×
583×
6×
35+29+71877+803
45+66+25+134303+574
29+30+31+32+33145+36+55
225×
814×
302
75×
26+25×
2634×
(40+5)402×
19
585-34-466183-73-27
20+49=49+____
28×
28
75+26+24=75〇(____〇____)
44×
35×
4=44×
(18×
(13×
5)=13×
(84+57)×
6=84×
____+57×
46×
18+96×
18=(46+____)×
32+20×
48=____〇(____〇____)
(18+62)=____〇____〇____〇____
720+40268×
40×
187+313×
40(12+6)×
532×
48+81+19613+804
39+60+41+40302+928
75+76+77+78+79103+43+497
6+8+10+12+14+16+18+20+22+24
9×
23×
903
22×
67+78×
6729×
(50+3)302×
24
611-125-75287-39-61
34+47=47+____
83×
39=____〇×
83
48+18+42=48〇(____〇____)
8=12×
(2×
(5×
5)=5×
(17+95)×
9=17×
____+95×
92×
3+10×
3=(92+____)×
39+15×
31=____〇(____〇____)
(32+58)=____〇____〇____〇____
878+40112×
12
105×
92+208×
105(56+2)×
2564×
87+54+46864+104
17+89+63+111802+332
58+59+60+61+6228+39+772
65×
53+38×
5359×
(40+2)904×
710-182-218103-32-68
12+17=17+____
90=____〇×
35+38+42=35〇(____〇____)
30×
4=30×
(12×
5)=(5×
(24+41)×
7=24×
____+41×
12+40×
12=(59+____)×
49+15×
51=____〇(____〇____)
(45+25)=____〇____〇____〇____
652+70224×
37
85×
85(18+8)×
2513×
70+44+56983+603
34+73+36+27903+838
60+61+62+63+64144+37+756
815×
58×
31+42×
3183×
(10+2)204×
813-12-488212-10-90
99+37=37+____
76×
63=____〇×
76
25+18+52=25〇(____〇____)
6=11×
(90+81)×
2=90×
____+81×
15+59×
15=(83+____)×
39+9×
41=____〇(____〇____)
60×
(31+39)=____〇____〇____〇____
347+50152×
53×
30+470×
53(10+4)×
2568×
52+10+90363+402
45+12+25+88703+804
37+38+39+40+41166+119+234
3+4+5+6+7+8+9+10+11+12
7×
2125×
424×
501
42×
23+58×
2323×
(30+1)502×
22
684-92-208155-66-34