Question

Tìm X.                                                   b) Tính giá trị biểu thức:

              x - 32,5 = 31,32 : 87                                 90,4 x 1,6  + 159,17 : 3,79

Answer 1

x-32,5=31,32:87

=> x-32,5=0,36

=>      x   =0,36+32,5

=>      x  =32,86

 

90,4x1,6   +159,17:3,79

=>144,64+\(\dfrac{15917}{379}\)

=>186,63....

Answer 2

\(a,x-32,5=31,32:87\)

   \(x-32,5=0,36\)

              \(x=0,36+32,5\)

              \(x=32,86\)

\(b,90,4\times1,6+159,17:3,79=144,64+41,99=186,63\)

Answer 3

a) \(x-32,5=31,32:87\)

\(x-32,5=0,36\)

\(x=32,86\)

b) \(90,4\times1,6+159,17:3,79\)

 \(=144,64+41,99736148\)

\(=186,6373615\)