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0,5(7)×2,3(6)÷0,(3)=?

Răspuns :

0,5(7)=(57-5)/90=52/90
2,3(6)=(236-23)/90=213/90
0,(3)=3/9

0,5(7)×2,3(6)÷0,(3)=
=52/90  * 213/90  
÷ 1/3
=676/8100 *3/1
=2028/8100
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