=1

l,i,k,e mình nha bạn thân

\(B=\frac{7256.4375-725}{3650+4375.7255}=\frac{7255.4375+4375-725}{7255.4375+3650}=\frac{7255.4375+3650}{7255.4375+3650}=1\)

\(\dfrac{7256\cdot4375-725}{3650+4375\cdot7255}\\ =\dfrac{\left(7255+1\right)\cdot4375-725}{7255\cdot4375+3650}\\ =\dfrac{7255\cdot4375+4375-725}{7255\cdot4375+3650}\\ =\dfrac{7255\cdot4375+3650}{7255\cdot4375+3650}\\ =1\)

Ta có: \(7256.4375-\dfrac{725}{3650}+4375.7255\)

\(=7256.4375+4375.7255-\dfrac{29}{146}\)

\(=4375\left(7256-7255\right)-\dfrac{29}{146}\)

\(=4375.1-\dfrac{29}{146}\)

\(=\dfrac{638750}{126}-\dfrac{29}{126}\)

\(=\dfrac{638721}{126}=\dfrac{70969}{14}\)

Chúc bn học tốt!!!

\(\frac{7256.4375-725}{3650+4375.7255}=\frac{\left(7255+1\right).4375-725}{3650+4375.7255}\)

\(=\frac{7255.4375+4375-725}{3650+4375.7255}\)

\(=\frac{7255.4375+3650}{3650+4375.7255}\)

\(=1\)

\(=\)\(\dfrac{\left(7256+1\right).4275-725}{3650+4375.7255}\)

\(=\)\(\dfrac{7255.4375+1.4375-725}{3650+4375.7255}\)

\(=\)\(\dfrac{7255.4375+3650}{3650+4375.7255}\)

\(=1\)

\(\dfrac{7256.4375-725}{3650+4375.7255}\) 

\(=\dfrac{\left(7255+1\right).4375-725}{3650+4375.7255}\) 

\(=\dfrac{7255.4375+1.4375-725}{3650+4375.7255}\) 

\(=\dfrac{7255.4375+4375-725}{3650+4375.7255}\) 

\(=\dfrac{7255.4375+3650}{3650+4375.7255}\) 

\(=1\)

= 4375 . ( 7256 + 7255 )  - 725/3650

= 4375 .14511 - 725/3650

=63485625 - 725/3650

=53485624,8

\(\frac{7256.4375-725}{3650+4375.7255}\)

\(=\frac{\left(7255+1\right).4375-725}{3650+4375.7255}\)

\(=\frac{7255.4375+4375-725}{3650+4375.7255}\)

\(=\frac{7255.4375+3650}{3650+4375.7255}\)

\(=1\)

\(\frac{7256.4375-725}{3650+4375.7255}=1\)

\(\frac{7256.4375-725}{3650+4375.7255}\) 

\(=\frac{\left(7256-1\right).4375+4375-725}{3650+4375.7255}\)

\(=\frac{7255.4375+3650}{3650+4375.7255}\)

\(=1\)

(7256.4375 - 725)/(3650 + 4375.7255) 
= [(7255 +1).4375 - 725]/(3650 + 4375.7255) 
= [(7255.4375 + 1.4375 - 725]/(3650 + 4375.7255) 
= (7255.4375 + 3650)/(3650 + 4375.7255) = 1 
li ke nha

63485624.8