ta có: 125×801×5=125×(……+……)×5=(125×…..)×5+125×……..×5=……..+………=………

2 bình luận về “ta có: 125×801×5=125×(……+……)×5=(125×…..)×5+125×……..×5=……..+………=………”

1. Ta có : 125 xx 801 xx 5 = 125 xx ( 800 + 1 ) xx 5 = ( 125 xx 100 ) xx 5 + 125 xx 1 xx 5 = 500000 + 625 = 500625

    

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2. Ta có:

   125xx801xx5=125xx(……+……)xx5=(125xx…..)xx5+125xx……..xx5=……..+………=………

   => Ta có:

   125 xx 801 xx 5 = 125 xx (800+1) xx 5 = (125 xx 100) xx 5 + 125 xx 1 xx 5 = 500000 + 625 = 500625

   $$

            $\mathit{\text{\#YouAreMyWorld}}$ღ

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