Question

Tính giá trị biểu thức:

4/5 + 3/6 : 2/5 = ......................................................

1/2 + 4/3 x 1/6 = .....................................................

Answer 1

\(2\dfrac{1}{20}\)

\(\dfrac{13}{18}\)

Answer 2

4/5 + 5/4 = 16/20 + 25/20 = 41/20

1/2 + 2/9 = 9/18 + 4/18 = 13/18

Answer 3

Thanks kiuuuu

Answer 4

4/5 + 5/4 = 16/20 + 25/20 = 41/20

1/2 + 2/9 = 9/18 + 4/18 = 13/18

có đúng ko nhỉ

Answer 5

\(\dfrac{4}{5}+\dfrac{3}{6}\times\dfrac{5}{2}=\dfrac{4}{5}+\dfrac{5}{4}=\dfrac{41}{20}\)

\(\dfrac{1}{2}+\dfrac{2}{9}=\dfrac{9}{18}+\dfrac{4}{18}=\dfrac{13}{18}\)