Question

tính :

[ 1278 + 789123 ]  -1567 + [123 :  3 +98]

Answer 1

   [ 1278 + 789123 ] - 1567 + ( 123 : 3 + 98 )

= 790401 - 1567 + ( 41 + 98 )

= 788834 + 139

= 788974

Answer 2

[1278+789123]-1567+[123:3+98]

= 790401-1567+(41+98)

=488834+139

=488973

Answer 3

[ 1278 + 789123 ]  -1567 + [123 :  3 +98]

= 790401 - 1567 + (41 + 98)

= 488834 + 139

=488973

kb nha