Simplify a Single Surd
4√7 + 3√7 - 5√7
2√7
Where do fish keep their money?
In the river bank
2√27
6√3
The number of blind mice multiplied by the number of little pigs multiplied by the number of dwarves.
63
√20
2√5
√200 - √288
-2√2
6√3 (√3 - 7√2)
18 - 42√6
I am an odd number; take away an alphabet and I become even. What number am I?
√80
4√5
3√45 - 4√20
√5
(√5 - √6)2
11 - 2√30
What is the maximum possible number of times you can subtract number 5 from number 25?
Only once. After that, you'd be subtracting the number 5 from 20.