Question

[nguyễn phương anh]

tinh gia tri bieu thuc

168x2 : 26x4          570- 255x2

Answer 1

[Huỳnh Phước Mạnh]

\(\frac{168\cdot2}{26\cdot4}=\frac{42\cdot1}{13\cdot1}=\frac{42}{13}\)

\(570-225\cdot2=570-450=120\)

Answer 2

[nguyễn thị anh thư]

168 x2:26x4                                                      750 - 255 x 2

= 336 : 104                                                      = 750 - 510

=3,2307692 ( sai đề ko bn)                               = 240