Question

205 + 5 + 90 + 210 + 45 + 45

=?????????

Answer 1

=600 nha

k mk nha

Answer 2

205 + 5 + 90 + 210 + 45 + 45

= 300 + 300

= 600

k mk mk k lại

Answer 3

600

k cho mk nha

mk k cho bn rồi

Answer 4

=600

k cho mk nha!

Answer 5

= 210 + 90 + 210 + 45 + 45

= 300 + 210 + 45 + 45

= 510 + 45 + 45

= 555 + 45

= 600

Answer 6

205+5+90+210+45+45=600

Answer 7

205 +5 + 90 +210 +45 + 45 

= ( 205 + 5+ 90 ) + ( 210 + 45+ 45 )

= 300 +300

= 600

OK

Answer 8

=600

phai dung khong tck di 

Answer 9

205 + 5 + 90 + 210 + 45 + 45 = ( 205 + 5 ) + 90 + 210 + ( 45 + 45 ) 

                                            = ( 210 + 90 ) + ( 210 + 90 )

                                            = 300 x 2 

                                            = 600