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sau coroana ex 11 12

Sau Coroana Ex 11 12 class=

Răspuns :

Problema 12: In prima sunt 135kg, in a doua 675 kg (135*5), iar in a treia 600kg.
ex 11)
9x7=63 kg nutret consuma 7 vaci /zi
12x4=48 kg nutret consuma 4cai /zi
63x8=504 kg consuma vacile in cele 8 zile
48x8=384 
kg consuma caii in cele 8 zile
504+384=888 kg consuma caii si vacile in total in cele 8 zile

ex 12)
135x5=675 kg de rosii sunt in a doua magazie
1275-135-675=465 kg de rosii sunt in ultima magazie