Register Now

Login

Lost Password

Lost your password? Please enter your email address. You will receive a link and will create a new password via email.

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

Toán Lớp 5: Tính: 6/7+5/8; 3/5-3/8; 1/4+5/6; 4/9-1/6

Toán Lớp 5: Tính:
6/7+5/8; 3/5-3/8; 1/4+5/6; 4/9-1/6

Comments ( 2 )

  1. \text {@Luffy Cat}
    $\frac{6}{7}$+$\frac{5}{8}$ 
    =$\frac{48}{56}$ + $\frac{35}{56}$ 
    = $\frac{83}{56}$ 
    $\frac{3}{5}$ – $\frac{3}{8}$ 
    =$\frac{24}{40}$ – $\frac{15}{40}$ 
    = $\frac{9}{40}$ 
    $\frac{1}{4}$+$\frac{5}{6}$ 
    =$\frac{3}{12}$ + $\frac{10}{12}$ 
    =  $\frac{13}{12}$ 
    $\frac{4}{9}$-$\frac{1}{6}$ 
    =$\frac{8}{18}$ – $\frac{3}{18}$ 
    =$\frac{5}{18}$ 

  2. +) $\frac{6}{7}$ + $\frac{5}{8}$ = $\frac{48}{56}$ + $\frac{35}{56}$ = $\frac{83}{56}$ 
    +) $\frac{3}{5}$ – $\frac{3}{8}$  = $\frac{24}{40}$  – $\frac{15}{40}$ = $\frac{9}{40}$ 
    +) $\frac{1}{4}$ + $\frac{5}{6}$ = $\frac{6}{24}$  + $\frac{20}{24}$ = $\frac{26}{24}$ = $\frac{13}{12}$ 
    +)$\frac{4}{9}$ – $\frac{1}{6}$ = $\frac{24}{54}$ – $\frac{9}{54}$ = $\frac{15}{54}$ = $\frac{5}{18}$ 
    Xin câu trả lời hay nhất !!!

Leave a reply

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