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

Toán Lớp 4: Rút gọn các phân số sau:8/32;50/120;24/60;96/300

Toán Lớp 4: Rút gọn các phân số sau:8/32;50/120;24/60;96/300 Các bạn giúp mình nhé mình cảm ơn(^v^)

Comments ( 2 )

  1. $\frac{8}{32}$=$\frac{8:8}{32:8}$ =$\frac{1}{4}$ 

    $\frac{50}{120}$=$\frac{50:10}{120:10}$ =$\frac{5}{12}$ 

    $\frac{24}{60}$=$\frac{24:12}{60:12}$ =$\frac{2}{5}$ 

    $\frac{96}{300}$=$\frac{96:12}{300:12}$=$\frac{8}{25}$  

     

  2. 8/(32) = (8:8)/(32:8) = 1/4

    (50)/(120) = (50 : 10 )/(120 : 10 ) = 5/(12)

    (24)/(60) = (24 : 12)/(60 : 12) = 2/5

    (96)/(300) = (96 : 12)/(300 : 12) = 8/(25)

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