Question

 

Tinh bang cach thuan tien nhat:

(777,63 + 567,89+ 222,37) * 0,1

Answer 1

( 777,63 + 567,89 + 222,37 ) x 0,1

= ( 777,63 + 222,37 + 567,89 ) x 0,1

= ( 1000 + 567,89 )  x 0,1

= 1567,89 x 0,1

= 156,789

Answer 2

 (777,63+222,37+567,89)x0,1

=(1000+567,89)x0,1

=1567,89         x0,1

=156,789