Example

3(r+2s)=2t-4
a⋅(b-2)=3b
3(r+2s)=2t-4
a⋅(b-2)=3b

Question

$${ 2 }^{ -3 } +( { \left(0.01) \right) }^{ -1 } - { 27 }^{ \frac{ 2 }{ 3 } }$$

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