Răspuns:
1.
[tex] {2}^{46 - 43} = {2}^{3} = 8[/tex]
2.
[tex] {7}^{7 \times 8} \div {7}^{9 \times 6 } = {7}^{56} \div {7}^{54} [/tex]
[tex] {7}^{56 - 54} = {7}^{2} = 49[/tex]
