Question

253+147+1+56+43

Answer 1

  (253 + 147) + (1+56+56)

=     400       +     100

=             500

Answer 2

253+147+1+56+43

= 500

Answer 3

= ( 253 + 147 ) + ( 1 + 56 + 43 )

= 400 + 100

= 500

Answer 4

ai k mk mk k lại

Answer 5

253+147+1+56+43

=(253+147)+(56+43+1)

=400+100

=500 dung ko ban