13×1/2÷13×2/5等于多少?

学习 时间:2026-11-13 07:53:41 阅读:2973
13×1/2÷13×2/5等于多少?

最佳回答

优雅的大门

酷炫的豌豆

2026-11-13 07:53:41

解:

13×1/2÷13×2/5

=13×1/2×1/13×2/5

=13×1/13×1/2×2/5

=1/2×2/5

=1/5

=0。2

最新回答共有2条回答

  • 潇洒的雪碧
    回复
    2026-11-13 07:53:41

    解:

    13×1/2÷13×2/5

    =13×1/2×1/13×2/5

    =13×1/13×1/2×2/5

    =1/2×2/5

    =1/5

    =0。2

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