(967+653) x 45 - 100
= 1620 x 45 - 100
= 72900 - 100
= 72800
( 967 + 653 ) x 45 - 100 =
1620 x 45 - 100 =
72900 - 100 = 72800
=1620.45-100
=72900-100
=72800
(dấu "."trong bài là dấu nhân)
(967+653) x 45 - 100=1620x45-100=72900-100=72800
(967+653)x45-100
=1620x45-100
=72900-100
=72800