苏教版四年级数学下册运算定律专项练习题96Word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96Word下载.docx
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39(18+4)×
576×
2×
5
79+75+25750+404
44+24+56+176104+731
24+25+26+27+28130+84+670
9+11+13+15+17+19+21+23+25+27
225×
27×
423×
901
59×
34+41×
3469×
(60+4)604×
21
三、下面各题,怎样算简便就怎样算。
938-190-310144-84-16
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73×
52=____〇×
73
18+26+34=18〇(____〇____)
94×
6=94×
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21)=(5×
8×
(5×
5)=5×
(60+34)×
3=60×
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46×
3+90×
3=(46+____)×
28+13×
52=____〇(____〇____)
69×
(31+39)=____〇____〇____〇____
812+60336×
42×
41+359×
42(36+2)×
2544×
12×
125
14+80+20734+201
16+46+74+154805+204
72+73+74+75+76155+139+545
4+5+6+7+8+9+10+11+12+13
19×
45×
6125×
31×
826×
203
62×
104+38×
10419×
(50+4)904×
20
725-51-149243-16-84
28+95=95+____
98×
78=____〇×
98
22+35+25=22〇(____〇____)
70×
35×
4=70×
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82×
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15×
22+15×
58=____〇(____〇____)
38×
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563+90120×
25201×
16
22+478×
62(28+4)×
2526×
14×
47+87+13943+203
48+62+22+138701+100
35+36+37+38+39120+73+280
5+6+7+8+9+10+11+12+13+14
9×
45×
17×
501
57×
94+43×
9471×
(20+5)102×
18
774-147-53278-39-61
59+74=74+____
19
58+37+13=58〇(____〇____)
2=53×
(18×
11)=(5×
16×
(74+92)×
2=74×
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55×
4+39×
4=(55+____)×
43+8×
47=____〇(____〇____)
(19+41)=____〇____〇____〇____
942+90188×
25101×
41
86×
168+332×
86(36+4)×
2564×
62+74+26774+804
39+76+61+24904+140
68+69+70+71+72114+42+286
2+4+6+8+10+12+14+16+18+20
6×
830×
804
24×
38+76×
3864×
(10+5)801×
22
906-155-245124-16-84
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11=____〇×
21+14+86=21〇(____〇____)
44×
6=44×
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7)=(5×
18×
(3×
5)=3×
(50+95)×
2=50×
____+95×
58×
13+31×
13=(58+____)×
35+6×
35=____〇(____〇____)
(49+31)=____〇____〇____〇____
639+20192×
42
120×
153+247×
120(2+8)×
2541×
99+65+35580+101
11+27+89+73801+710
14+15+16+17+1835+16+265
7+8+9+10+11+12+13+14+15+16
25×
3×
424×
204
10×
19+90×
1944×
(20+2)201×
24
893-121-279131-67-33
43+74=74+____
91=____〇×
17
88+26+24=88〇(____〇____)
50×
6=50×
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(92+66)×
6=92×
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96×
12+84×
12=(96+____)×
41+13×
29=____〇(____〇____)
61×
(19+51)=____〇____〇____〇____
502+40352×
11×
157+243×
11(34+4)×
2582×
34+89+11964+301
15+45+45+155905+220
31+32+33+34+35107+88+593
8+10+12+14+16+18+20+22+24+26
8125×
820×
202
37+42×
3783×
(50+3)602×
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83×
61=____〇×
83
18+21+69=18〇(____〇____)
4=11×
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5)=(5×
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8=38×
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51×
20+30×
20=(51+____)×
38+2×
42=____〇(____〇____)
75×
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849+40284×
25102×
48
32×
152+148×
32(12+2)×
2514×
25
57+82+18931+702
41+85+49+115605+477
36+37+38+39+40172+86+28
622×
604
22×
43+78×
4398×
(40+5)304×
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77×
45=____〇×
77
24+22+28=24〇(____〇____)
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8=99×
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67×
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48×
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113+287×
14(4+6)×
592×
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72×
112+28×
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15
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96
33+23+27=33〇(____〇____)
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54=____〇(____〇____)
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102×
179+121×
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2570×
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12
714-93-107144-77-23
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37+38+39+40+41167+95+433
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818×
703
66×
60+34×
6062×
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27
849-166-134192-57-43
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