Question

afla termenul necunoscut prin incercari.41 -a=37,45-n=39,52-e=48,53-r=47; 71-a=65,83-b=78,94-x=89,95-c=88(clasa 1).

Answer 1

41-a=37 a=41-37 a=4 41-4=37

Answer 2

41-a=37   a=41-37=4
45-n=39   n=45-39=6
52-e=48   e=52-48=4
53-r=47   r=53-47=6
71-a=65   a=71-65=6
83-b=78   b=83-78=5
94-x=89   x=94-89=5
95-c=88   c=95-88=7