Question

cho x=25, tính x biết:x.35+5/7=?????

Answer 1

\(35x+\dfrac{5}{7}=35\cdot25+\dfrac{5}{7}=\dfrac{6130}{7}\)

Answer 2

x.35+\(\dfrac{5}{7}\) 

Ta thay: x=25

25.35+\(\dfrac{5}{7}\) 

=875+\(\dfrac{5}{7}\) 

=\(\dfrac{6130}{7}\)