Răspuns:
4 capre_____2 vitei_____40 kg |×2
3 capre_____4 vitei_____50 kg
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8 capre_____4 vitei_____80 kg
3 capre ____4 viței _____50 kg
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8-3=5 capre__/________80-50=30 kg
30:5=6 kg consuma o capră
6×3=18 kg consuma 3 capre
50-18=32 kg consuma 4 vitei
32:4=8 kg consuma un vițel