Xiaohong s home needs to lay floor tiles in the living room, and it takes 21 square bricks with a si

Updated on Living room 2024-07-22
1 answers
  1. Anonymous users2024-01-24

    X blocks are needed, derived from the title:

    62×x=52×21，36x=525，x≈15；

    A: 15 pieces are required

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