Помогите срочно!!!!!!!!!!!!!!!!!!

Question

Помогите срочно!!!!!!!!!!!!!!!!!!

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Answer 1

√0,121.√0,4=√(0,121.0,4)=√(4.0,0121)=2√0,0121)=2.0,11=0,22
2/3√(2+1/4)=2/3√(9/4)=2/3 . 3/2=1

√2,4 . √1,2)/√0,72)=√(2,4.1,2)/√0,72=√2,88/√0,72=√(2,88/0,72)=
=√4=2

(√6-2√3)(√6+2√3)=(√6)²-(2√3)²=6-12=-6