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Subjects
Mathematics State Board
Class 9
Real Numbers
Surds and its Basic Operations and Scientific Notation
3.
Multiple choice questions III
Exercise condition:
2
m.
1
. When
2
5
−
2
2
is simplified, we get
\(22 - 4\sqrt{10}\)
\(2\sqrt{10} - 2\)
\(4\sqrt{5} + 2\sqrt{2}\)
\(8 - 4\sqrt{10}\)
2
.
0.000729
−
3
4
×
0.09
−
3
4
\(=\)
10
2
3
3
10
3
3
3
10
6
3
6
10
5
3
5
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