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

Toán Lớp 5: tính nhanh :(100×44+50×64)x(37414,8:1000+2242,52:100)/16×14,96x25x(27×38+19×146)

Toán Lớp 5: tính nhanh :(100×44+50×64)x(37414,8:1000+2242,52:100)/16×14,96x25x(27×38+19×146)

Comments ( 2 )

  1. (100×44+50×64)x(37414,8:1000+2242,52:100)/16×14,96x25x(27×38+19×146)
    = (4400 + 3200)(37,4248 + 22,4252) : 5984(1026 + 2774)
    = 7600 x 59,85 : 5984 x 3800
    = 0,02

  2. Giải đáp:
    $\frac{(100×44+50×64)x(37414,8:1000+2242,52:100)}{16×14,96x25x(27×38+19×146)}$
    $\frac{(4400 + 3200)(37,4248 + 22,4252)}{5984x(1026 + 2774)}$ 
    $\frac{7600 x 59,85}{5984 x 3800}$ 
    $\frac{2}{100}$ (tối giản bằng $\frac{1}{50}$  hoặc số thập phân 0,02)
    XIN HAY NHẤT CHO NHÓM Ạ
    NO COPPY
     

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

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