搜题

4/7:2.1先化简,再求比值。

数学答案 2023-04-27

问题描述:

4/7:2.1.




最佳答案:

解法一:

4/7:2.1

=4÷7÷2.1

=4÷(7x2.1)

=4÷14.7

=40÷147

=40:147

解法二:

4/7:2.1

=(4/7×70):(2.1×70)

=40:147

解法三:

4/7:2.1

=4/7:21/10

=40:147

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