Question

23/28 va 24 /27 

so sanh hai phan so tren

Answer 1

vì 24>23 và mẫu 28>27

nên 23/28<24/27

cho mik 1 k nha

Answer 2

\(\frac{23}{28}< \frac{24}{27}\)

Answer 3

23/28<24/27

Answer 4

phai giai thich cach lam

Answer 5

\(24\cdot28=\left(23+1\right)\left(27+1\right)\)

\(23\cdot27< \left(23+1\right)\left(27+1\right)\)

\(\Rightarrow\frac{23}{28}< \frac{24}{27}\)

Answer 6

cac ban co nhieu cach de so sanh 

- quy dong 

- phan bu phan hon 

- so sanh voi so trung gian

- tinh chat ti so 

- h cheo