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2. Rezolvati
a) 100 - [ 8.443.21 (0,72 : 0,5 - 1,2)=​


Răspuns :

100x[8,44-3,21(0,72:0,5-1,2(la a doua))]=

100x[8,44-3,21(14,4+1,44)]=

100x(8,44-3,21+15,84)=

100x(5,23+15,84)=

100x21,07=

2107

Sper ca te am ajutat