Question

Tính hợp lý:   123456789-23456789+100

Answer 1

   123456789-23456789+100

=100000000+100

=100000100

Answer 2

123456789 - 23456789 + 100

= ( 123456789 - 23456789 ) + 100

= 100000000 + 100

= 100000100