Wiskunde Multiple Choice Vraag uit Gricha's Wiskundige Vragenbank

$\frac ab + \frac cd$ is gelijk aan	A. \(\large \boldsymbol {\frac {ad\,+\,bc} {bd}} \)
	B. \(\large \boldsymbol {\frac {a\,+\,c} {b\,+\,d}} \)
	C. \(\large \boldsymbol {\frac {a\,+\,c} {bd}} \)
	D. \(\boldsymbol {ad + bc}\)
	E. \(\text {geen van de vorige} \)

[ iedereen 0090 - op net sinds 21.2.07-(E)-21.11.2024 ]

Translation in E N G L I S H

$\frac ab + \frac cd=$	A. \(\large \boldsymbol {\frac {ad\,+\,bc} {bd}} \)
	B. \(\large \boldsymbol {\frac {a\,+\,c} {b\,+\,d}} \)
	C. \(\large \boldsymbol {\frac {a\,+\,c} {bd}} \)
	D. \(\boldsymbol {ad + bc}\)
	E. \(\text {none of the above} \)

Oplossing - Solution

$\frac ab + \frac cd = \frac{ad}{bd}+\frac{bc}{bd}=\frac{ad+bc}{bd}$

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