I haven't seen Hoa since 2012.

He enjoys reading newspaper in the morning because it gives him pleasure.

They have played tennis in 2003.

14C  10D  2B (câu 2 em ko chắc lắm ạ )

c

doesn't/phone

B

26C       21B

a, =2.0,1-0,5                                  b,=\(\left(15\dfrac{1}{4}-25\dfrac{1}{4}\right):\left(-\dfrac{5}{7}\right)\)

    =0,2-0,5                                        =  -10:(\(\dfrac{-5}{7}\))

    =-0,3                                             = 14

           c, \(=\dfrac{5^4.\left(4.5\right)^4}{\left(5^2\right)^4.4^5}=\dfrac{5^4.4^4.5^4}{5^8.4^5}=\dfrac{1}{4^{ }}\)

=1213-[1250-(16-6)\(^3\).4]

=1213-[1250-10\(^3\).4]

=1213-[1250-1000.4]

=1213-[1250-4000]

=1213-(- 2750)

=3963