Răspuns :
1)53
2)10
3)cu 1
4)11,22,33,44,55,66,77,88,99.
5)0
6)11,2131,41,51,61,71,81,91
Sper ca te am ajutat
2)10
3)cu 1
4)11,22,33,44,55,66,77,88,99.
5)0
6)11,2131,41,51,61,71,81,91
Sper ca te am ajutat
1) 1×0+53=0+53=53
2) a+a+1=11
2a=11-1
2a=10
a=10:2
a=5
3)9×1=9
9+10=10
10-9=1
4)11,22,33,44,55,66,77,88,99
5) 0×1×2×3=0
6)11,21,31,41,51,61,71.81,91
2) a+a+1=11
2a=11-1
2a=10
a=10:2
a=5
3)9×1=9
9+10=10
10-9=1
4)11,22,33,44,55,66,77,88,99
5) 0×1×2×3=0
6)11,21,31,41,51,61,71.81,91