a    a
— + —
2    5

is gelijk
aan
A.  \({\boldsymbol{\large \frac 7a} }\)
B.  \(\boldsymbol{\large \frac a7} \)
C.  \(\boldsymbol{\large \frac {2a} {7}} \)
D.  \(\boldsymbol{ 0,7\,a }\)
E.  \(\boldsymbol{\large \frac {a^2}{7} } \)
A    B    C    D    E

[ B-1353 - op net sinds 20.4.2020-(E)-24.10.2023 ]

Translation in   E N G L I S H

a    a
— + —
2    5

is equal
to
A.   \({\boldsymbol{\large \frac 7a} }\)
B.   \(\boldsymbol{\large \frac a7} \)
C.   \(\boldsymbol{\large \frac {2a} {7}} \)
D.   \(\boldsymbol{ 0.7\,a }\)
E.   \(\boldsymbol{\large \frac {a^2}{7} } \)

Oplossing - Solution

\(\frac a2 + \frac a5 = \frac {5a} {10} + \frac {2a} {10} = \frac {7a}{10} = \frac {7}{10}a = 0,7a \)
gricha