Speaking: Symbols
Symbols 1
Write or read out the following formulae:
1. C = π D
2. 2S = U + V
3. x = a
n
+ b
2
4. V = u + at
5. V = π r
2
h
6. E = mc
2
7. A = π r
2
8. y = x
2
– 2
9. a
2
+ b
2
+ c
2
= 1
10. x = a
n-1
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