136.68+16.272=136.68+16.2.136
=136.(68+16.2)
=136.100
=13600
k cho mik nha bạn
136.68+16.272
=136.68+16.2.136
=136.68+32.136
=136.(68+32)
=136.100
=13600
136 . 68 + 16 . 272
= 136 .68 + 16 . 2 .136
= 136 . 68 + 32 . 136
= 136 . (68 + 32)
= 136 . 100
= 13600
k nha