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36/59× ( 1/45+7/60+1/40)

Răspuns :

EagleEyes
36/59× ( 1/45+7/60+1/40)  =

= 36/59 * (8+42+9)/360 =

= 36/59 * 59/360 =

= 36 * 1/360 =

= 1/10
36/59 × ( 1/45+7/60+1/40) = 
= 36/59 × (8+42+9)/360
=36/59 × 59/360
=1/10

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