Question

tính giá trị biểu thức

a.120-[7.20-(134-110).5]

b.1987-200.8+1005:5

c.387.2694+7305.387+387

d.248:{[(368+232):120-3]+122}+2016

cac ban giup mih voi.ai lam het tat ca mih se tick 3tick[hua do]

thoi han la den chieu thu 31/8/2016

Answer 1

a)120-[7.20-(134-110).5]

=120-20

=100

b)1987-200.8+1005:5

=1987-1600+201

=588

c)387.2694+7305.387+387

=1042578+2827035+387

=3870000

d)248:{[368+232):120-3]+122}+2016

=248:124+2016

=2+2016

=2018

Answer 2

a)120-[7.20-(134-110).5]

=120-20

=100

b)1987-200.8+1005:5

=1987-1600+201

=588

c)387.2694+7305.387+387

=1042578+2827035+387

=3870000

d)248:{[368+232):120-3]+122}+2016

=248:124+2016

=2+2016

=2018