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Svetradugi [14.3K]
3 years ago
13

Can someone please solve these?

Mathematics
1 answer:
serg [7]3 years ago
4 0

Answer:

Step-by-step explanation:

1) √2 + 2√2 =  ( 1 + 2 ) √2 = 3*√2   = 3√2

4) √8 + √2 = √2*2*2 + √2 = 2√2 + √2 = ( 2 +1 ) √2 = 3√2

7) 2√5 - √5 = (2 - 1)√5 = 1 √5

10 3√5 - 2√5 = (3 - 2) √5 = 1√5

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