Question

Tính bằng hai cách

a, 1/8 x 5/6 + 5/6 x 2/3                                         

b, 7/5 x 3/4 - 1/2 x 3/4                                     

c, (5/6 + 5/8) x 2/3

mấy bạn cố lên nha

Answer 1

a: =5/48+10/18=95/144

b: =3/4(7/5-1/2)=3/4x9/10=27/40

c: =2/3x35/24=70/72=35/36