Răspuns
Explicație pas cu pas:
6 ciocolati--------------------13 prajituri-------------------------5..100 g |*5
5 ciocolati--------------------9 prajituri----------------------------3.700 g |*-6
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30 ciocolati-------------------65 prajituri---------------------------25.500 g
- 30 ciocolati--------------- -54 prajituri----------------------- -22.200 g
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\-------------------------------11 prajituri-----------------------------3.300 g
1 prajitura=3.300÷11=300 g
5 ciocolati-------9x300=2700 g--------------3.700 g
5 ciocolati=3.700g -2700 g=1000 g
1 ciocolata=1000 g÷5=200 g