Всё на фото, решить понятно пожалуйста)
Djjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjn
2^(㏒₂3 +1)=2^(㏒₂3) *2¹ =3*2=6 ㏒₇686 - ㏒₇2 =㏒₇686/2=㏒₇343 =㏒₇7³=3㏒₇7=3 7^(㏒₇3 +1)=7^(㏒₇3) *7¹=3*7=21