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

Toán Lớp 7: 35$\frac{3}{19}$ : $\frac{-5}{4}$ + 25$\frac{3}{19}$ . $\frac{4}{5}$

Toán Lớp 7: 35$\frac{3}{19}$ : $\frac{-5}{4}$ + 25$\frac{3}{19}$ . $\frac{4}{5}$

Comments ( 2 )

  1. Giải đáp + Lời giải và giải thích chi tiết:
    35 3/19 : (-5)/4 + 25 3/19 . 4/5
    35 3/19 : (-4)/5 + 25 3/19 . 4/5
    = -35 3/19 . 4/5 + 25 3/19 . 4/5
    = ( -35 3/19 + 25 3/19 ) . 4/5
    = -10 . 4/5
    = -8

  2. Giải đáp: $-8$
    Giải thích:
    $35\frac{3}{19}:\frac{-5}{4}+25\frac{3}{19}.\frac{4}{5}$
    $=35\frac{3}{19}.\frac{-4}{5}+25\frac{3}{10}.\frac{4}{5}$
    $=-35\frac{3}{19}.\frac{4}{5}+25\frac{3}{19}.\frac{4}{5}$
    $=\frac{4}{5}.(25\frac{3}{19}-35\frac{3}{19})$
    $=\frac{4}{5}.(-10)$
    $=4.(-2)$
    $=-8$

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