7256 x 4375 - 725
= 31745000 - 725
= 31744275
3650 + 4375 x 7255
= 3650 + 31740625
= 31744275
#)Giải :
\(\frac{7256.4375-725}{3650+4375.7255}=\frac{\left(7255+1\right)4375-725}{3650+4375.7255}=\frac{7255.4375+4375.1-725}{3650+4375.7255}=\frac{7255.4375+3650}{3650+4375.7255}=1\)
7256x4375-752
=31745000-752
=31744275
3650+4375x7255
=3650+31740625
=31744275
7256x4375-725 3650+4375x7255
=31745000-725 =3650+31740625
=31744275 =31744