Question

100 x X + X x 50 = 300

       tìm 2 số X

 

Answer 1

x*(100+50)=300

 x*150=300

 x= 300:150

x= 2

Answer 2

x*(100+50)=300
x*150=300 
x       =300:150
x       =2

Answer 3

    100 x X + X x 50 = 300

    X x ( 100 + 50 ) = 300

    X x          150    = 300

    X                       =     300 : 150 

    X                       =         2 

Answer 4

\(x = {-b \pm \sqrt{b^2-4ac} \over 2a}\)

Answer 5

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Answer 6

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Answer 7

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Answer 8

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Answer 9

\(x = {-b \pm \sqrt{b^2-4ac} \over 2a}\)

Answer 10

\(x = {-b \pm \sqrt{b^2-4ac} \over 2a}\)

Answer 11

Xx100+Xx50=300

Xx[100+50]=300

Xx150=300

X=300:150

X=2

Answer 12

100 x X + X x 50 =300

X x (100 +50)=300

X x 150 =300

X=300: 150 

X =2

Answer 13

100 x X + X x 50 = 300

X x (100+ 50)= 300

X x 150= 300

X = 300: 150

X= 2

Answer 14

100 x X+X x 50 =300

x= 100+50

x= 300 : 150

x=2

Answer 15

100xX+Xx50=300

Xx(100+50)=300

Xx150=300

X=300:150

X=2

Answer 16

X*(100+50)=300

X*150=300

X=300:150

X=2