упростите Выражения
1) √10 + √10 =
2) - √7 + √7 =
3) 10√23 - 20 √23 -30 √23 =
4) 8√2 - √2 - 4√2 + 5√2 =
1) √10 + √10 =
2) - √7 + √7 =
3) 10√23 - 20 √23 -30 √23 =
4) 8√2 - √2 - 4√2 + 5√2 =
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Answers & Comments
2)- √7+√7=0
3)10√23-20√23-30√23=√23(10-20-30)=-40√23
4)8√2-√2-4√2+5√2=√2(8-1-4+5)=8√2