Question

[pham thi hoa]

bài 1

a, 27 + 46 + 68 + 54 +73

b,2016 - ( 2016 -2017)

c, \(\frac{2}{3}+\frac{1}{3}.\left(\frac{-4}{9}+\frac{5}{6}\right):\frac{7}{12}\)

Answer 1

[Phạm Trần Hoàng Anh]

a) = (27 + 73) + (46 + 54) + 73

= 100 + 100 + 73

=273

b) = 2016 - 2016 + 2017

= 2017

c)= 2/3 + 1/3 . 7/18 : 7/12

= 2/3 + 7/54 . 12/7

= 2/3 + 2/9

= 6/9 + 2/9

=8/9

Answer 2

[Trần Ngoc an]

:VVVVVVV