分析:根據(jù)整數(shù)乘法的計(jì)算方法進(jìn)行計(jì)算即可.
解答:解:62×77=4774;

47×34=1598;

18×90=1620;

35×23=805.

點(diǎn)評(píng):本題主要考查整數(shù)乘法的筆算,根據(jù)其計(jì)算方法進(jìn)行計(jì)算即可.
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2 |
3 |
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5 |
6 |
7 |
8 |
9 |
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| 21 |
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24 |
25 |
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27 |
28 |
29 |
30 |
| 31 |
32 |
33 |
34 |
35 |
36 |
37 |
38 |
39 |
40 |
| 41 |
42 |
43 |
44 |
45 |
46 |
47 |
48 |
49 |
50 |
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55 |
56 |
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60 |
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62 |
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75 |
76 |
77 |
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| 81 |
82 |
83 |
84 |
85 |
86 |
87 |
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89 |
90 | |
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