13×1/2÷13×2/5等于多少?

学习 时间:2026-09-29 03:19:25 阅读:4186
13×1/2÷13×2/5等于多少?

最佳回答

欣喜的保温杯

大方的金鱼

2026-09-29 03:19:25

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

  • 欢呼的手链
    回复
    2026-09-29 03:19:25

    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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