四年级数学下册运算定律综合练习题精选80文档格式.docx
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48(40+4)×
2514×
4×
25
84+73+27838+702
12+75+58+125404+350
28+29+30+31+3234+142+666
9+11+13+15+17+19+21+23+25+27
45×
13×
414×
604
20×
61+80×
6142×
(60+4)801×
10
三、下面各题,怎样算简便就怎样算。
705-66-134131-90-10
28+14=14+____
94×
40=____〇×
94
10+34+46=10〇(____〇____)
22×
6=22×
(16×
9)=(5×
2×
(9×
5)=9×
(46+65)×
4=46×
____+65×
11×
2+23×
2=(11+____)×
12+5×
88=____〇(____〇____)
68×
(32+58)=____〇____〇____〇____
196+30284×
18
12×
14+386×
12(52+4)×
535×
94+69+31348+102
39+72+21+28301+131
20+21+22+23+24164+98+136
6+7+8+9+10+11+12+13+14+15
19×
25×
825×
17×
422×
503
70+87×
7036×
(20+2)703×
26
717-178-322124-48-52
21+93=93+____
77×
59=____〇×
77
80+34+36=80〇(____〇____)
37×
2=37×
(12×
5)=(5×
14×
(7×
5)=7×
(26+92)×
4=26×
____+92×
56×
4+24×
4=(56+____)×
36+11×
24=____〇(____〇____)
73×
(30+70)=____〇____〇____〇____
285+10192×
12
16×
85+415×
16(10+8)×
2565×
125
50+11+89953+303
26+38+54+62501+826
65+66+67+68+6934+131+166
7+8+9+10+11+12+13+14+15+16
6125×
7×
427×
803
65×
118+35×
11839×
(10+4)903×
517-18-382294-41-59
49+68=68+____
42×
15=____〇×
42
88+24+56=88〇(____〇____)
93×
2=93×
(21×
5)=21×
(66+75)×
3=66×
____+75×
99×
17+78×
17=(99+____)×
3×
30+3×
70=____〇(____〇____)
(49+11)=____〇____〇____〇____
251+20132×
25101×
48
111×
59+241×
111(10+4)×
510×
86+76+24708+101
14+41+46+59505+886
69+70+71+72+73122+29+378
3+5+7+9+11+13+15+17+19+21
4125×
216×
404
81×
120+19×
12067×
(50+3)303×
11
903-156-244212-80-20
49+13=13+____
70×
98=____〇×
70
65+23+57=65〇(____〇____)
28×
8=28×
(5×
5)=5×
(80+80)×
8=80×
____+80×
18×
7+18×
7=(18+____)×
23+7×
77=____〇(____〇____)
(43+47)=____〇____〇____〇____
744+30112×
25102×
29
55×
41+359×
55(24+8)×
542×
8×
5
78+66+34673+503
50+82+10+18601+356
68+69+70+71+7228+77+472
10+11+12+13+14+15+16+17+18+19
15×
2125×
624×
603
44×
60+56×
6067×
(40+3)603×
30
547-127-73103-29-71
99+65=65+____
95=____〇×
18
60+35+15=60〇(____〇____)
40×
35×
4=40×
3)=(5×
(3×
5)=3×
(15+10)×
9=15×
____+10×
61×
15+17×
15=(61+____)×
16+5×
44=____〇(____〇____)
(44+36)=____〇____〇____〇____
878+30176×
42
137+163×
16(46+8)×
549×
60+75+25732+704
27+52+73+148403+395
43+44+45+46+47124+72+576
625×
226×
302
27×
92+73×
9244×
21
525-19-381227-83-17
84+97=97+____
73=____〇×
72+25+75=72〇(____〇____)
6=55×
(8×
21)=(5×
(15×
5)=15×
(31+98)×
5=31×
____+98×
10+22×
10=(77+____)×
42+2×
38=____〇(____〇____)
(16+54)=____〇____〇____〇____
200+80196×
22
87×
110+190×
87(22+2)×
531×
12+46+54598+201
41+88+19+112905+426
58+59+60+61+6261+105+839
9+10+11+12+13+14+15+16+17+18
218×
203
109+13×
10993×
(10+3)204×
844-176-224228-87-13
28+87=87+____
66×
67=____〇×
66
77+18+62=77〇(____〇____)
54×
8=54×
(14×
(19×
5)=19×
(38+43)×
5=38×
____+43×
32×
5+35×
5=(32+____)×
32+17×
58=____〇(____〇____)
31×
(39+31)=____〇____〇____〇____
216+70248×
15
50×
106+294×
50(38+6)×
2561×
64+81+19747+401
24+22+66+78304+197
62+63+64+65+6614+22+686
5+6+7+8+9+10+11+12+13+14
9×
41×
222×
204
10×
33+90×
3317×
(40+4)104×
940-129-71122-65-35
55+74=74+____
22=____〇×
87
83+31+59=83〇(____〇____)
2=31×
17)=(5×
(83+43)×
5=83×
19+98×
19=(68+____)×
18+5×
62=____〇(____〇____)
(41+39)=____〇____〇____〇____
128+90348×
25201×
32
195+105×
111(12+6)×
2543×
98+81+19533+704
19+33+71+167805+135
34+35+36+37+38108+28+492
425×
230×
602
57×
111+43×
11112×
(40+5)601×
772-109-191171-80-20
26+75=75+____
52×
96=____〇×
52
95+26+44=95〇(____〇____)
64×
4=64×
11)=(5×
(90+59)×
7=90×
____+59×
69×
15+96×
15=(69+____)×
42+16×
28=____〇(____〇____)
83×
(26+74)=____〇____〇____〇____
611+20196×
109×
63+337×
109(20+6)×
50+19+81974+203
18+85+52+15503+972
54+55+56+57+5826+96+174
7+9+11+13+15+17+19+21+23+25
701
78×
96+22×
9675×
(60+1)201×
985-160-140233-59-41