Question

3 la putera 17 +3 la putera 18
&
3 la puterea 18 +3 la puterea 19​

Answer 1

Explicație pas cu pas:

${3}^{17} + {3}^{18} = {3}^{17} \times (1 + 3) = 4 \times {3}^{17}$

${3}^{18} + {3}^{19} = {3}^{18} \times (1 + 3) = 4 \times {3}^{18}$