Resolver 19 2 . + n + 1 | Equatix - Math Solver

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Example

3(r+2s)=2t-4

a⋅(b-2)=3b

3(r+2s)=2t-4

a⋅(b-2)=3b

Question

$$\frac { 19 } { \sqrt { 20 } + 1 } + 4 - 2 \sqrt { 5 } n$$