Question

[cao thi khanh huyen]

a\(\left[6+\left(\frac{1}{2}\right)^3-\left|-\frac{1}{2}\right|\right]:\frac{3}{12}\)       

b\(\frac{4}{9}.19\frac{1}{3}-\frac{4}{9}.39\frac{1}{3}\)

c\(\left(-\frac{1}{2}\right)^2:\frac{1}{4}-2\left(-\frac{1}{2}\right)\)

Answer 1

[Nguyễn Trần Thanh Ngọc]

a. \(\frac{45}{2}\)

b.\(\frac{-80}{27}\)

c.2

Answer 2

[Nguyễn Hồng Anh]

a, [ 6 + 1/8 - 1/2 ]: 3/12=

            45/8       : 3/12=45/2

b,4/9.(58/3 - 118/3)=

   4/9. (-20)           =-80/9

c,1/4:1/4-2.(-1/2)=

     1      - (-1)    = 2