Ответ:
1) 3√2
2) -5
3) 5+2√6
Объяснение:
1)2√2+√50-√32 =2√2+√25*2-√16*2= 2√2+5√2-4√2=3√2
2)√5*(√5-√20) =√5*√5-√5*√20)=(√5)²-√100=5-10=-5
30(√3+√2)²=(√3)²+2*√3*√2+(√2)²=3+2√6+2=5+2√6
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Ответ:
1) 3√2
2) -5
3) 5+2√6
Объяснение:
1)2√2+√50-√32 =2√2+√25*2-√16*2= 2√2+5√2-4√2=3√2
2)√5*(√5-√20) =√5*√5-√5*√20)=(√5)²-√100=5-10=-5
30(√3+√2)²=(√3)²+2*√3*√2+(√2)²=3+2√6+2=5+2√6