Question

calculeaza in minte
3²;4²;9²;10²
2×2×2×2;5×5×5​

Answer 1

Răspuns:

3 la a doua :9

4 la a doua:16

9 la a  doua :81

10 la a doua:100

2x2x2x2=16

5x5x5=125

Answer 2

Răspuns:

$3 {}^{2} = 9 \\ 4 {}^{2} = 16 \\ 9 {}^{2} = 81 \\ 10 {}^{2} = 100 \\ 2 \times 2 \times 2 \times 2 = 2 {}^{4} = 16 \\ 5 \times 5 \times 5 = 5 {}^{3} = 125$