Сделайте жжжжжжжжжжжжжж умоляю пжжжжжжж

1((√2) ^8÷(√2) ^4-3(√2) ^4=√256÷√16-3√16=16÷4-12=-8

2) 5√2/2+2√2/3-4√2/6=15√6/6+4√4/6-4√2/6=15√6+4√4+4√2/6=23√12/6=23•2√3/6=46√3/6