156 + 138 + 44 + 45 + 62 + 55 -100
= 400
156 + 138 + 44 + 45 + 62+ 55 - 100 = ( 156 + 44 ) + ( 138 + 62 )+( 45 + 55)-100
= 200 + 200 + 100 - 100
= 200 + 200
= 400
156 + 138 + 44 + 45 + 62 + 55 - 100 =
[ 156 + 44 ] + [ 138 + 62 ] + [ 45 + 55 ] - 100 =
200 + 200 + 100 - 100 = 400
156 + 138 + 44 + 45 + 62 + 55 - 100
= ( 156 + 44 ) + ( 138 + 62 ) + ( 45 + 55 ) - 100
= 200 + 200 + 100 - 100
= 400
TK CHO MÌNH NHA
156 + 138 + 44 + 45 + 62 + 55 - 100
( 156 + 44 ) + ( 138 + 62 ) + ( 45 + 55 ) - 100
200 + 200 + 100 - 100
500 - 100
= 400