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1 2supra 5•( 4 1supra 7-3 1supra 14)

Răspuns :

Needhelp112
1 2supra 5•( 4 1supra 7-3 1supra 14) = 
7/5 *(29/7 - 43/14) =
7/5 * (58/14 - 43/14) =
7/5 * 15/14 =
1/1 * 3/2 =
3/2
EagleEyes
1 2/5 * ( 4 1/7 - 3 1/14 ) =
 
= 7/5*(29/7-43/14) =

= 7/5*15/14 =

= 7 * 3/14 =

= 3/2

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