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: Bài 2: a. 3 4/5 + 2 3/6 b. 3 4/5 – 2 3/5 c. 93/100 – ( 13/100 + 17/100) d.

Toán Lớp 5: Bài 2:
a. 3 4/5 + 2 3/6 b. 3 4/5 – 2 3/5 c. 93/100 – ( 13/100 + 17/100)
d. 7/(8 ) : 2 e. 4 x 3/1

Comments ( 2 )

  1. a)$3\frac{4}{5}$ +$2\frac{3}{6}$
    =$\frac{19}{5}$ +$\frac{5}{4}$ 
    =$\frac{76}{20}$ +$\frac{25}{20}$ 
    =$\frac{101}{20}$ 
    b)$3\frac{4}{5}$ -$2\frac{3}{6}$
    =$\frac{19}{5}$ -$\frac{5}{4}$ 
    =$\frac{76}{20}$ -$\frac{25}{20}$ 
    =$\frac{51}{20}$ 
    c)$\frac{93}{100}$  – ( $\frac{13}{100}$  + $\frac{17}{100}$ )
    =$\frac{93}{100}$ – $\frac{30}{100}$
    =$\frac{63}{100}$
    d) $\frac{7}{8}$ : 2
    =$\frac{7}{8}$ :$\frac{2}{1}$
    =$\frac{7}{8}$ x $\frac{1}{2}$
    =$\frac{7}{16}$
    e)4 x $\frac{3}{1}$
    =4 x 3
    = 12

  2. a. 3 4/5 + 2 3/6 = 3 + 2 + 4/5 + 1/2 = 5 + 13/10 = 5 13/10 = 6 3/10
    b. 3 4/5 – 2 3/5 = 19/5 – 13/5 = 6/5
    c. 93/100 – ( 13/100 + 17/100) = 93/100 – 30/100 = 63/100
    d. 7/(8 ) : 2 = 7/16
    e. 4 × 3/1 = 12
     

Leave a reply

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