精英家教网 > 小学数学 > 题目详情
4
5
÷3
4
5
          1
3
5
×
1
4
1
3
5
          
5
9
÷1
2
3
5
9
分析:①当除数大于1时,商就小于被除数,此题除数3>1,所以商就小于
4
5
,由此解答;
②当一个因数小于1时,积就小于第一个因数,此题
1
4
<1,所以积就小于1
3
5

③当除数大于1时,商就小于被除数,此题除数1
2
3
>1,商就小于
5
9
解答:解:①
4
5
÷3<
4
5

②1
3
5
×
1
4
<1
3
5

5
9
÷1
2
3
5
9

故答案为:<;<;<.
点评:此题主要考查了当一个因数大于1时,积就大于另一个因数,当一个因数小于1时,积就小于另一个因数;当除数大于1时,商就小于被除数,当除数小于1时,商就大于被除数.
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