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

Toán Lớp 5: Bài 9 : Tính nhanh a) 1/2 : 3/4 b) 9/7:3/4

Toán Lớp 5: Bài 9 : Tính nhanh
a) 1/2 : 3/4
b) 9/7:3/4

Comments ( 2 )

  1. a) $\dfrac{1}{2}$ : $\dfrac{3}{4}$ = $\dfrac{1}{2}$ x $\dfrac{4}{3}$ = $\dfrac{2}{3}$ 
    b) $\dfrac{9}{7}$ : $\dfrac{3}{4}$ = $\dfrac{9}{7}$ x $\dfrac{4}{3}$ = $\dfrac{12}{7}$ 

  2. Giải đáp:
     
    Lời giải và giải thích chi tiết:
      1 / 2 : 3/4 = 1/2 x 4/3 = 4/6 = 2/3
    9/7 : 3/4 = 9/7 x 4/3 = 36/21 = 12/7

    toan-lop-5-bai-9-tinh-nhanh-a-1-2-3-4-b-9-7-3-4

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