1)a+a+1+a+2+a+3+a+4=95
5a=95-1-2-3-4
5a=85
a=85:5
a=17
a+1=17+1=18
a+2=17+2=19
a+3=17+3=20
a+4=17+4=21
2)a/-/
a+1/-/+1
a+2/-/+2
a+3/-/+3
a+4/-/+4. =95
95-(1+2+3+4)=95-10=85
85:5=17
a=17
a+1=17+1=18
a+2=17+2=19
a+3=17+3=20
a+4=17+4=21
Sper ca te-am ajutat!