125 x 72 x 5 = 125 x 8 x 9 x 5 = 1000 x 45 = 45000
3 x 4 x 19 + 6 x 71 x 2 + 120
= 12 x 19 + 12 x 71 + 12 x 10
= 12 x ( 19 + 71+10)
= 12 x 100
= 1200
125 x 72 x 5 = 125 x 8 x 9 x 5 = 1000 x 45 = 45000
3 x 4 x 19 + 6 x 71 x 2 + 120
= 12 x 19 + 12 x 71 + 12 x 10
= 12 x ( 19 + 71+10)
= 12 x 100
= 1200
125 x 72 x 5 = 9000 . 5 = 45000
3 x 4 x 19 + 6 x 71 x 2 + 120
= 12 x 19 + 12 x 71 + 12 x 10
= 12 x (19 + 71 + 10)
= 12 x 100
= 1200
125.72.5 3.4.19+6.71.2+120
=125.8.9.5 =12.18+12.71+12.10
=1000.45 =12.(18+71+10)
45000. =12.99
=12.(100-1)
=1200-12
=1188
Công chúa Ôri ơi cậu tính lại đi 19+71+10=99 mà
125 . 72 . 5
= 125 . 8 . 9 . 5
= 45 000
125.72.5
=125.8.9.5
=1000.9.5
=9000.5
=45000
3.4.19+6.71.2+120
=12.79+12.71+120
=1200+120
=1320