Trả lời:
37 . 18 - 9 . 72 + 100
= 37 . 2 . 9 - 9 . 72 + 100
= 74 . 9 - 9 . 72 + 100
= (74 - 72) . 9 +100
= 2 . 9 + 100
= 18 + 100
= 118
Hok tốt!
Vuong Dong Yet
37 x 18 - 9 x 72 + 100
=18x(37-36)+100
=18x1+100
=18+100
=118
37 x 18 - 9 x 74 + 100
= 37 x 2 x 9 - 9 x 74 + 100
= 74 x 9 - 9 x 74 + 100
= 0 + 100
= 100