Question

[Nguyễn Tiến Mạnh]

f) 6.7.168 – 14.85.3 + 17.21.2

Answer 1

[Member lỗi thời :>>]

6.7.168 – 14.85.3 + 17.21.2

= 42 . 168 - 42 . 85 + 42 . 17

= 42 . ( 168 - 85 + 17 )

= 42 . 100

= 4200

Answer 2

[ღ ☪áø /『ʈєɑɱ❖๖ۣۜƝƘ☆』ღ]

= 2.3.7.168 - 2.7.85.3 + 17.2.21

= 21.336 - 21.170 + 21.34

= 21.( 336 + 34 - 170 )

= 21.200

= 4200