Question

tìm x

a, X:0.25+X x 11=24

b, X x 8.01-X: 100=38

Answer 1

a, X:0.25+X x 11=24

X x 4 + X x 11 = 24

X x (11 + 4) = 24

X x 15 = 24

X = 24 : 15

X = 1,6

b, X x 8.01-X: 100=38

X x 8,01 - X x 0,01 = 38

X x (8,01 - 0,01) = 38

X x 8 = 38

X = 38 : 8

X = 4,75`

  

Answer 2

a, X:0.25+X x 11=24

X x 4 + X x 11 = 24

X x (11 + 4) = 24

X x 15 = 24

X = 24 : 15

X = 1,6

b, X x 8.01-X: 100=38

X x 8,01 - X x 0,01 = 38

X x (8,01 - 0,01) = 38

X x 8 = 38

X = 38 : 8

X = 4,75

Answer 3

a)  X : 0,25 + X x 11 = 24

X x 4 + X x 11 = 24

X x ( 11 + 4 ) = 24

X x 15 = 24

X = 24 : 15

X = 1,6

b, X x 8 , 01 - X : 100 = 38

X x 8,01 - X x 0,01 = 38

X x ( 8,01 - 0,01 ) = 38

X x 8 = 38

X = 38 : 8

X = 4,75

Answer 4

a, X:0.25+X x 11=24

X x 4 + X x 11 = 24

X x (11 + 4) = 24

X x 15 = 24

X = 24 : 15

X = 1,6

b, X x 8.01-X: 100=38

X x 8,01 - X x 0,01 = 38

X x (8,01 - 0,01) = 38

X x 8 = 38

X = 38 : 8

X = 4,75`

  
 

Answer 5

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