Question

Asociaza fiecarei etichete cercul curespunzator . a) 3/4:6/5. b) 9/8:9/4 . c)2:8/3 . d) 8/2:2 e)8/21:4/7
a) 3/4 . b)2/3 c)5/8 d) 2 e)1/3 f)1/2

Answer 1

Răspuns

Explicație pas cu pas:

a)   3 / 4 : 6 / 5 = 3 / 4 × ( 5 / 6) = 15 / 24 = 5 / 8  →    c)  5 / 8

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b)    9 / 8 : 9 / 4 = ( 9 / 8 ) × ( 4 / 9 ) = ( 9 / 9 ) × ( 4 / 8 ) = 1 / 2  → f) 1/2

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c)   2 :  8 / 3 = 2 × ( 3 / 8) = ( 2/ 8) × 3 = 3 / 4  →   a ) 3 / 4

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d)   8 / 2 :  2 = 4 : 2 = 2  →   d)  2

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e)    8 / 21  :  4 / 7 = 8 / 21 × ( 7 / 4 ) = ( 7 / 21 ) ×( 8 / 4) = 2 / 3  → b) 2/3