हल करना 1/10 + 1/20 + 1/15 | 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

$$\frac{1}{10}+\frac{1}{20}+\frac{1}{15}$$