r    1
Als — = —
  x    4

dan is
A.   \(\boldsymbol{\frac 4r }\)
B.   \(\boldsymbol{\frac r4 }\)
C.   \(\boldsymbol{x=4r}\)
D.   \(\boldsymbol{\frac 1{4r} }\)
E.  geen van de vorige
                 

[ 2-0274 - op net sinds 21.7.2020-()-24.10.2023 ]

Translation in   E N G L I S H

IN CONS
IN CONSTR
IN CONSTRUC
IN CONSTRUCTI
IN CONSTRUCTION
A.  
B.  
C.  
D.  
E.  

Oplossing - Solution

Product van de uitersten = product van de middelsten :
    r.4 = x.1   zodat   x = 4r