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222-9+11+12:2*14+14 = ? ( )

Toán Lớp 7: so sánh 998/555 và 999/556 nhanh nhất

Toán Lớp 7: so sánh 998/555 và 999/556 nhanh nhất

Comments ( 2 )

  1. 998/555=554888/308580
    999/556=554445/308580
        $\textit{Mà}$ 554888>554445
    $⇒$554888/308580>554445/308580
    $⇒$998/555>999/556

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222-9+11+12:2*14+14 = ? ( )