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

Toán Lớp 5: 460 + 85 x 4 = $\frac{x+175}{5}$ + 30

Toán Lớp 5: 460 + 85 x 4 = $\frac{x+175}{5}$ + 30

Comments ( 2 )

  1. Giải đáp+Lời giải và giải thích chi tiết:
    460+85×4= (x+175)/5 +30
    460+340=(x+175)/5 +30
    800=(x+175)/5 + 30
    800-30=(x+175)/5
    770=(x+175)/5
    3850/4=(x+175)/5
    3850=x+175
    3850-175=x
    x=3675

  2. 460 + 85 . 4 = $\frac{x + 175}{5}$ + 30
    460 + 340 = $\frac{x + 175}{5}$ + 30
    800 = $\frac{x + 175}{5}$ + 30
    $\frac{x + 175}{5}$ = 800 – 30
    $\frac{x + 175}{5}$ = 770
    (x + 175) : 5 = 770
    x + 175 = 770 . 5
    x + 175 = 3850
    x = 3850 – 175
    x = 3675.
    xin hay nhất ạ <33

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