苏教版四年级数学下册运算定律专项练习题29Word文件下载.docx
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43(8+4)×
588×
14×
125
43+20+80726+904
38+29+62+71901+143
38+39+40+41+4278+67+222
7+8+9+10+11+12+13+14+15+16
15×
25×
45×
33×
820×
102
21×
71+79×
7166×
(20+1)802×
24
三、下面各题,怎样算简便就怎样算。
825-27-473250-76-24
98+63=63+____
14=____〇×
57
90+32+38=90〇(____〇____)
47×
45×
2=47×
(18×
15)=(5×
(17×
5)=17×
(98+52)×
8=98×
____+52×
73×
4+27×
4=(73+____)×
27+17×
73=____〇(____〇____)
70×
(22+68)=____〇____〇____〇____
522+30324×
25101×
45
26×
101+299×
26(44+6)×
595×
10×
25
94+23+77772+102
26+32+44+168505+563
72+73+74+75+7610+31+290
4+6+8+10+12+14+16+18+20+22
6125×
11×
415×
803
84×
94+16×
9472×
(10+5)602×
990-35-465114-33-67
48+25=25+____
24×
11=____〇×
24
74+37+23=74〇(____〇____)
8=57×
(8×
21)=(5×
(82+80)×
5=82×
____+80×
39×
9+58×
9=(39+____)×
20×
17+20×
91×
(27+33)=____〇____〇____〇____
494+10244×
15
85×
163+337×
85(20+6)×
2561×
78+55+45749+503
46+72+14+28505+409
52+53+54+55+56187+144+413
10+11+12+13+14+15+16+17+18+19
19×
2125×
229×
204
42×
20+58×
2014×
(50+1)204×
10
659-26-374171-45-55
77+22=22+____
48×
48
58+39+31=58〇(____〇____)
95×
4=95×
(10×
11)=(5×
16×
(54+74)×
6=54×
____+74×
32×
8+23×
8=(32+____)×
7×
10+7×
50=____〇(____〇____)
75×
(18+42)=____〇____〇____〇____
772+70132×
25202×
35×
73+227×
35(18+6)×
2525×
6×
81+71+29321+103
49+78+31+22303+336
22+23+24+25+2640+29+560
2+3+4+5+6+7+8+9+10+11
3×
427×
504
116+79×
11683×
(40+3)403×
22
760-88-212195-41-59
40+31=31+____
83×
46=____〇×
83
93+36+44=93〇(____〇____)
4=45×
13)=(5×
2×
(53+56)×
5=53×
____+56×
12+71×
12=(35+____)×
16+16×
64=____〇(____〇____)
80×
(15+45)=____〇____〇____〇____
704+7038×
172+128×
24(26+4)×
521×
14+66+34630+102
30+17+70+183102+486
76+77+78+79+80161+24+639
8+9+10+11+12+13+14+15+16+17
825×
628×
903
28×
68+72×
6836×
(20+2)101×
14
907-76-224292-81-19
62+21=21+____
92=____〇×
33
51+26+54=51〇(____〇____)
6=84×
(12×
7)=(5×
(3×
5)=3×
(90+16)×
4=90×
____+16×
8+94×
8=(11+____)×
38+7×
52=____〇(____〇____)
68×
(29+61)=____〇____〇____〇____
519+20244×
13
62×
33+467×
62(6+8)×
2515×
96+21+79962+301
25+39+55+161602+706
27+28+29+30+3168+113+732
8+10+12+14+16+18+20+22+24+26
624×
701
66+55×
6695×
(60+1)203×
971-81-219245-19-81
82+47=47+____
60=____〇×
70
39+10+50=39〇(____〇____)
53×
6=53×
(2×
(62+47)×
8=62×
____+47×
93×
19+81×
19=(93+____)×
38+12×
22=____〇(____〇____)
(16+84)=____〇____〇____〇____
460+80180×
82+318×
73(36+4)×
571×
18×
5
77+36+64471+503
11+23+89+77604+450
24+25+26+27+28119+33+581
9×
65×
829×
96+89×
9653×
(20+5)401×
27
789-153-247257-34-66
38+10=10+____
44=____〇×
20
99+28+52=99〇(____〇____)
4=43×
(66+75)×
2=66×
____+75×
36×
4+29×
4=(36+____)×
50+5×
(37+23)=____〇____〇____〇____
323+40396×
25102×
106×
74+426×
106(36+4)×
535×
48+46+54502+801
18+44+62+156703+311
28+29+30+31+3214+133+286
6+7+8+9+10+11+12+13+14+15
8125×
812×
503
52×
112+48×
11287×
(20+2)602×
28
680-190-310276-57-43
25+78=78+____
64×
56=____〇×
64
50+27+43=50〇(____〇____)
6=73×
17)=(5×
(5×
5)=5×
(43+96)×
____+96×
88×
16+25×
16=(88+____)×
28+11×
72=____〇(____〇____)
(19+61)=____〇____〇____〇____
896+30364×
41+459×
17(40+8)×
587×
25+79+21771+703
46+15+24+185802+550
53+54+55+56+5722+113+478
9+10+11+12+13+14+15+16+17+18
13×
25×
621×
702
69×
68+31×
6847×
(20+5)602×
26
745-123-377116-26-74
21+83=83+____
96×
72=____〇×
96
18+21+59=18〇(____〇____)
82×
6=82×
(14×
(9×
5)=9×
(16+77)×
2=16×
____+77×
89×
5+78×
5=(89+____)×
17+15×
(50+30)=____〇____〇____〇____
468+20256×
38
178+222×
91(36+6)×
569×
72+83+17386+704
50+18+10+182205+495
72+73+74+75+7661+82+539
37×
217×
502
74+80×
7448×
(50+1)602×
18
947-16-184134-54-46