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(5 + 7 ) : 0,29 - 0,(7)
12 18


Răspuns :

(5/12+7/18):0.29-0.(7)=
=(15+14)/36:29/100-7/9
=29/36 x 100/29-7/9
=25/9-7/9
=18/9
=2.
(5/12+7/18):29/100-7/9
(15+14)/36*100/29-7/9
29/36*100/29-7/9
25/9-7/9=18