苏教版四年级数学下册运算定律专项练习题89Word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89Word文件下载.docx
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99(60+6)×
2555×
14×
5
93+48+52953+804
26+80+64+20403+133
36+37+38+39+40185+16+715
6+8+10+12+14+16+18+20+22+24
425×
29×
212×
102
79×
72+21×
7224×
(60+3)502×
16
三、下面各题,怎样算简便就怎样算。
922-177-223250-72-28
29+96=96+____
83×
59=____〇×
83
86+38+32=86〇(____〇____)
36×
8=36×
(6×
21)=(5×
8×
(11×
5)=11×
(69+36)×
8=69×
____+36×
27×
7+19×
7=(27+____)×
28+16×
32=____〇(____〇____)
37×
(31+49)=____〇____〇____〇____
253+80340×
25102×
12
30×
100+200×
30(10+2)×
540×
12×
25
21+67+33341+303
10+24+90+176903+664
57+58+59+60+6155+25+345
8+10+12+14+16+18+20+22+24+26
3×
6125×
822×
303
31+39×
3128×
(10+5)102×
774-69-231103-44-56
53+86=86+____
93×
34=____〇×
93
87+35+45=87〇(____〇____)
53×
15×
8=53×
(14×
11)=(5×
10×
(7×
5)=7×
(24+71)×
8=24×
____+71×
46×
19+20×
19=(46+____)×
38+15×
90×
(10+60)=____〇____〇____〇____
489+10228×
42
70×
43+357×
70(8+4)×
599×
37+12+88665+801
18+36+52+164504+639
47+48+49+50+5155+60+245
6+7+8+9+10+11+12+13+14+15
225×
421×
504
104+75×
10490×
(50+2)104×
865-142-358156-31-69
78+51=51+____
72×
37=____〇×
72
89+40+50=89〇(____〇____)
88×
8=88×
15)=(5×
(9×
5)=9×
(61+80)×
6=61×
____+80×
15+88×
15=(27+____)×
12+8×
68=____〇(____〇____)
86×
(39+31)=____〇____〇____〇____
381+90144×
37
185+115×
14(58+8)×
549×
18×
68+60+40417+602
32+10+38+190802+560
78+79+80+81+82130+73+370
1+3+5+7+9+11+13+15+17+19
6×
45×
85×
23×
412×
902
48×
49+52×
4966×
(20+5)303×
30
826-177-123272-30-70
90+33=33+____
26×
51=____〇×
26
20+29+21=20〇(____〇____)
19×
8=19×
(8×
(3×
5)=3×
(63+96)×
2=63×
____+96×
7+26×
7=(50+____)×
42+12×
18=____〇(____〇____)
(25+45)=____〇____〇____〇____
378+80324×
25201×
24
75×
57+343×
75(52+8)×
2558×
125
63+38+62709+403
33+86+67+114902+878
36+37+38+39+40150+147+350
2+4+6+8+10+12+14+16+18+20
8125×
33×
627×
78×
30+22×
3043×
(30+2)303×
15
703-17-283209-65-35
89+88=88+____
98×
53=____〇×
98
23+33+47=23〇(____〇____)
91×
4=91×
19)=(5×
20×
(17×
5)=17×
(62+17)×
4=62×
____+17×
52×
18+54×
18=(52+____)×
30+10×
60=____〇(____〇____)
(31+29)=____〇____〇____〇____
231+20376×
39
68×
62+238×
68(12+8)×
538×
54+39+61831+802
22+65+38+135303+278
60+61+62+63+64180+36+420
5+7+9+11+13+15+17+19+21+23
828×
804
57×
73+43×
7399×
(30+2)904×
20
739-111-189247-21-79
73+95=95+____
71×
14=____〇×
71
41+14+36=41〇(____〇____)
38×
6=38×
(72+95)×
8=72×
____+95×
4+95×
4=(50+____)×
2×
36+2×
34=____〇(____〇____)
65×
(29+51)=____〇____〇____〇____
635+60220×
19
82×
88+412×
82(16+2)×
2553×
80+16+84209+103
45+85+25+15803+721
75+76+77+78+7934+114+466
10+11+12+13+14+15+16+17+18+19
35×
625×
424×
801
80×
33+20×
3355×
(30+4)102×
673-42-458261-27-73
16+59=59+____
24=____〇×
27
92+25+45=92〇(____〇____)
69×
6=69×
(12×
9)=(5×
(75+21)×
9=75×
____+21×
44×
13+10×
13=(44+____)×
25+8×
45=____〇(____〇____)
(32+38)=____〇____〇____〇____
934+80264×
101+299×
26(24+8)×
558×
36+43+57751+703
10+25+80+175104+789
57+58+59+60+6155+109+445
1+2+3+4+5+6+7+8+9+10
9×
411×
701
78+52×
7893×
(10+3)304×
21
580-167-133104-29-71
14+79=79+____
67×
63=____〇×
67
18+11+79=18〇(____〇____)
95×
6=95×
(50+29)×
6=50×
____+29×
21×
8+16×
8=(21+____)×
10+3×
70=____〇(____〇____)
39×
(28+32)=____〇____〇____〇____
834+20384×
48
47+453×
72(12+6)×
596×
30+49+51541+301
20+76+60+124602+535
49+50+51+52+53104+114+96
4+5+6+7+8+9+10+11+12+13
4125×
827×
104
58×
28+42×
2816×
(40+4)701×
13
861-177-23185-78-22
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62×
84=____〇×
62
59+17+43=59〇(____〇____)
11×
6=11×
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(19×
5)=19×
(68+55)×
5=68×
____+55×
31×
12+67×
12=(31+____)×
37+18×
53=____〇(____〇____)
47×
(31+69)=____〇____〇____〇____
644+50356×
126+374×
95(42+8)×
559×
66+88+12464+104
30+30+60+70503+568
14+15+16+17+18103+15+297
2+3+4+5+6+7+8+9+10+11
13×
229×
904
20+31×
2065×
(10+2)102×
18
627-139-161298-67-33
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