(16
2
– 15
2
) – (14
2
– 13
2
)
is gelijk aan
A. 0
B. 1
C. 2
D. 4
E. meer dan 4
[ 2-9605 - op net sinds 25.12.2024-(E)- ]
Translation in E N G L I S H
(16
2
– 15
2
) – (14
2
– 13
2
)
is equal to
A. 0
B. 1
C. 2
D. 4
E. more than 4
Oplossing - Solution
(16² – 15²) – (14² – 13²)
= (16 – 15)(16 + 15) – (14 – 13)(14 + 13)
= 1.31 – 1.27 = 4
