题目内容
m和n都是比1大的自然数.下列各式中,得数最小的是
- A.m×
- B.m
- C.
C
分析:m和n都是比1大的自然数,假设m=2,n=3,代入ABC三个选项后比较大小,明显得解.
解答:A、m×
=
=
;
B、m÷
=m×n=6;
C、
÷m=
=
,
<6;
即:
<mn;所以得数最小的是
;
故选:C.
点评:作为选择题,可以代入符合题意的特殊值,比较明显的得出结论.
分析:m和n都是比1大的自然数,假设m=2,n=3,代入ABC三个选项后比较大小,明显得解.
解答:A、m×

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B、m÷

C、

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


即:



故选:C.
点评:作为选择题,可以代入符合题意的特殊值,比较明显的得出结论.

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m和n都是比1大的自然数.下列各式中,得数最小的是( )
A、m×
| ||
B、m÷
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C、
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