苏教版四年级数学下册运算定律专项练习题23Word文档下载推荐.docx
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苏教版四年级数学下册运算定律专项练习题23Word文档下载推荐.docx
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544×
14×
25
99+79+21760+204
44+34+26+166401+814
72+73+74+75+76121+147+179
5+6+7+8+9+10+11+12+13+14
17×
15×
2125×
9×
616×
703
11×
106+89×
10659×
(50+3)303×
29
三、下面各题,怎样算简便就怎样算。
638-115-85195-48-52
14+77=77+____
56=____〇×
97
99+38+62=99〇(____〇____)
87×
2=87×
17)=(5×
18×
(17×
5)=17×
(91+22)×
7=91×
____+22×
73×
9+18×
9=(73+____)×
3×
40+3×
40=____〇(____〇____)
92×
(18+52)=____〇____〇____〇____
102+80280×
25202×
20
76×
143+257×
76(52+2)×
532×
38+55+45840+504
50+41+10+159403+706
47+48+49+50+51126+62+574
45×
4125×
27×
218×
203
58×
52+42×
5213×
(30+5)804×
30
803-103-97295-19-81
63+46=46+____
79×
94=____〇×
79
61+39+41=61〇(____〇____)
20×
6=20×
(8×
9)=(5×
4×
(13×
5)=13×
(62+39)×
5=62×
____+39×
53×
4+59×
4=(53+____)×
6×
10+6×
80=____〇(____〇____)
46×
(48+32)=____〇____〇____〇____
481+60240×
25101×
13
64×
38+462×
64(24+6)×
552×
10×
125
91+50+50747+904
47+30+23+70801+108
26+27+28+29+3069+80+331
10+11+12+13+14+15+16+17+18+19
25×
39×
229×
304
35×
71+65×
7137×
(30+3)601×
10
574-14-486213-61-39
16+48=48+____
62×
52=____〇×
62
79+29+31=79〇(____〇____)
55×
8=55×
(4×
5)=(5×
(3×
5)=3×
(74+88)×
3=74×
____+88×
57×
7+24×
7=(57+____)×
36+10×
24=____〇(____〇____)
28×
(45+35)=____〇____〇____〇____
317+50348×
25102×
38
116×
167+333×
116(46+6)×
586×
68+48+52849+604
17+63+83+137201+414
56+57+58+59+60105+146+195
7+8+9+10+11+12+13+14+15+16
45×
627×
704
77+47×
7795×
(20+5)401×
23
560-160-340164-37-63
53+68=68+____
24×
21=____〇×
24
52+34+46=52〇(____〇____)
6=16×
(18×
7)=(5×
(11×
5)=11×
(16+64)×
7=16×
____+64×
99×
12+15×
12=(99+____)×
32+6×
68=____〇(____〇____)
25×
(42+28)=____〇____〇____〇____
823+2018×
21×
167+233×
21(60+2)×
2568×
90+42+58755+802
42+48+48+152601+925
78+79+80+81+82133+46+167
4+5+6+7+8+9+10+11+12+13
825×
31×
815×
303
88+21×
8812×
(20+4)903×
22
680-172-228269-75-25
47+96=96+____
34×
37=____〇×
34
77+15+75=77〇(____〇____)
63×
8=63×
(16×
13)=(5×
(7×
5)=7×
(32+92)×
9=32×
____+92×
6+72×
6=(10+____)×
22+13×
54×
(19+81)=____〇____〇____〇____
894+90180×
24
109×
101+399×
109(56+8)×
534×
12×
5
46+68+32443+502
22+37+78+63402+505
46+47+48+49+5098+42+202
625×
820×
604
65×
17+35×
1713×
(40+1)901×
968-65-135242-79-21
77+41=41+____
32×
29=____〇×
32
52+20+80=52〇(____〇____)
93×
4=93×
(14×
(87+59)×
5=87×
____+59×
5+25×
5=(88+____)×
47+20×
13=____〇(____〇____)
70×
(23+37)=____〇____〇____〇____
804+7018×
11
22×
198+102×
22(26+4)×
538×
95+59+41227+601
49+43+31+57405+890
49+50+51+52+5343+71+857
7×
419×
602
75×
71+25×
7144×
(60+2)802×
17
898-53-347268-40-60
20+54=54+____
26×
19=____〇×
26
85+28+62=85〇(____〇____)
30×
6=30×
(26+87)×
3=26×
____+87×
12+60×
12=(22+____)×
21+18×
69=____〇(____〇____)
33×
(24+56)=____〇____〇____〇____
437+60280×
41
104×
124+276×
104(48+6)×
2573×
88+78+22955+503
26+22+64+178401+724
76+77+78+79+8086+112+414
8125×
802
90×
66+10×
6670×
(50+1)604×
688-52-248186-62-38
37+48=48+____
80=____〇×
18
22+24+56=22〇(____〇____)
78×
6=78×
11)=(5×
(56+18)×
9=56×
____+18×
80×
4+63×
4=(80+____)×
33+11×
37=____〇(____〇____)
(18+72)=____〇____〇____〇____
961+60140×
198+202×
76(2+4)×
2599×
90+19+81527+901
37+65+63+35102+781
38+39+40+41+4229+43+171
6+8+10+12+14+16+18+20+22+24
425×
29×
827×
101
72+21×
7293×
(60+2)604×
669-157-243190-65-35
47+59=59+____
56×
68=____〇×
56
18+36+54=18〇(____〇____)
8=75×
(2×
(19×
5)=19×
(69+63)×
9=69×
____+63×
59×
19+37×
19=(59+____)×
23+5×
67=____〇(____〇____)
74×
(41+39)=____〇____〇____〇____
522+10120×
10(28+4)×
530×
56+23+77693+404
36+47+54+153503+599
58+59+60+61+62112+80+788
2+4+6+8+10+12+14+16+18+20
85×
424×
503
90+44×
9094×
(40+5)702×
12
555-149-251213-38-62
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