Question

tìm x:

a).3/5 nhân x=4/7      b).1/8:x=1/5

ai làm đầy đủ cách tìm x mình tick 2

Answer 1

a) \(\frac{3}{5}\times x=\frac{4}{7}\)

            \(x=\frac{4}{7}:\frac{3}{5}\)

          \(x=\frac{20}{21}\)

b) \(\frac{1}{8}:x=\frac{1}{5}\)

         \(x=\frac{1}{8}:\frac{1}{5}\)

       \(x=\frac{5}{8}\)

k nha

Answer 2

a)x=\(\frac{4}{7}:\frac{3}{5}\)

x=20/21

b) x=\(\frac{1}{8}:\frac{1}{5}\)

=>x=5/8

k to di mà

Answer 3

a) 3/5 x X=4/7

X=4/7 : 3/5

=> X= 20/21

b) 1/8 : X=1/5

X=1/8:1/5

=> X =5/8