Ta có:

\( \dfrac{7256.4375-725}{3650+4375.7255}\\ =\dfrac{7255.4375+4375-7255}{3650+4375.7255}\\ =\dfrac{7255.4375+\left(4375-725\right)}{3650+4375.7255}\\ =\dfrac{7255.4375+3650}{3650+4375.7255}\\ =1\)

   Vậy giá trị của  \(\dfrac{7256.4375-725}{3650+4375.7255}=1\)

7256.4375-725=(7255+1).4375-725=7255.4375+4375-725=7255.4375+3650

⇒(7256.4375−725)/(3650+4375.7255)=(7255.4375+3650)/(3650+4375.7255)=1

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

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

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

\(=1\)

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

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

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

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

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

\(=1\)

5764+7563=13327

Đáp số:13327

bang 13327 nha ban

duyet nha

5764+7563=13327 nha Nguyễn Thị Huyền

a) Ta có: \(347\cdot2^2-2^2\left(216+184\right):8\)

\(=347\cdot4-4\cdot400:8\)

\(=1388-200=1188\)

7256,4375-725/ 3650+4375,7256= 0,81381271

nha bạn 

\(\frac{7256,4375-725}{3650+4375,7256}=0,81381271\) nha                       ^_^

Hình như là đề bị cái gì đó bn, theo ý nghĩ của mik thì đề phải như thế này:

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

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

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

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

\(=1\)

sorry, mình chép sai, minh k cho ban roi do , thanks bn nhìu nha !

=1

l,i,k,e mình nha bạn thân

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

6385 - 2927 3458         7563 - 4908 2655         8090 - 7131 959         3561 - 924 2637