Răspuns:
Explicație pas cu pas:
7v ....4c .....62 oi l x 5
5v.......6c.....60 oi l x7
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35v.....20c ....310 oi
35 v....42 c....420 oi
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42-20=22 cai
420-310=110 oi
22cai = 110 oi
110:22= 5oi ( un cal consuma cat 5 oi )
4cai =5*4=20 ( 4 cai consuma cat 20 oi)
62-20=42 ( 7 vaci consuma cat 42 oi)
42:7= 6 ( o vaca consuma cat 6 oi)
2vaci =6*2 =12 ( consuma cat 12 oi)
3cai= 5*3=15 ( consuma cat 15 oi )
12+15=27 oi consuma cat 2 vaci si 3 cai