Question

Tim x: x × 4,1 - x ÷ 0,4 =5,12

Answer 1

=> 4,1x-2,5x=5,12

=>1,6x=5,12

=>x=3,52

Answer 2

\(x\times4,1-x+0,4=5,12\)

\(\Rightarrow3,1\times x+0,4=5,12\)

\(\Rightarrow3,1\times x=4,72\)

\(\Rightarrow x=\frac{236}{155}\)

Answer 3

x × 4,1 - x : 0,4 = 5,12

x × 4,1 - x × 2,5 = 5,12

    x × (4,1 - 2,5) = 5,12

              x × 1,6 = 5,12

                       x = 5,12 : 1,6

                       x = 3,2

Answer 4

\(\Rightarrow x=3,2\)

Answer 5

x x4,1-x:0,4=5,12

=>x x4,1- x x 2,5=5,12

=>x x( 4,1-2,5)=5,12

=>x x 1,6= 5,12

=> x= 5,12:1,6

=>x=3,2

Answer 6

x x4,1-x:0,4=5,12

=>x x4,1- x x 2,5=5,12

=>x x( 4,1-2,5)=5,12

=>x x 1,6= 5,12

=> x= 5,12:1,6

=>x=3,2

Answer 7

x x4,1-x:0,4=5,12

=>x x4,1- x x 2,5=5,12

=>x x( 4,1-2,5)=5,12

=>x x 1,6= 5,12

=> x= 5,12:1,6

=>x=3,2

Answer 8

x * 4,1 - x : 0,4 = 5,12

=>x * 4,1 - x * 2,5 = 5,12

=> x * ( 4,1 - 2,5 ) = 5,12

=> x * 1,6 = 5,12

=>x = 5,12 : 1,6

=> x = 3,2

k mk nha

Answer 9

x * 4,1 - x : 0,4 = 5,12

=>x * 4,1 - x * 2,5 = 5,12

=> x * ( 4,1 - 2,5 ) = 5,12

=> x * 1,6 = 5,12

=>x = 5,12 : 1,6

=> x = 3,2

k mk nha