Question

dau coroana vă rog frumos​

Answer 1

Explicație pas cu pas:

2018^(2)-2018-2017=

2018*(2018-1)-2017=

2018*2017-2017=

2017(2018-1)=

2017^(2)

2.

2+2^1+2^2+2^3+2^4+2^5=

2(1+1+2+2^2+2^3+2^4)=

2(2^2+2^2+2^3+2^4)=

2(2^3+2^3+2^4)=

2(2^4+2^4)=

2*2^5=2^6

3. 10^2=(2*5)^2

13^2=(4+9)^2