题目内容
0.75:2=
- A.
- B.750
- C.
C
分析:求比值是根据比的意义(两个数相除又叫两个数的比),用比的前项除以比的后项.
解答:0.75:2,
=:2,
=÷2,
=×,
=;
故选:C.
点评:求比值是用比的前项除以后项,小数化成分数进行计算,结果最好用分数表示.
分析:求比值是根据比的意义(两个数相除又叫两个数的比),用比的前项除以比的后项.
解答:0.75:2,
=:2,
=÷2,
=×,
=;
故选:C.
点评:求比值是用比的前项除以后项,小数化成分数进行计算,结果最好用分数表示.
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