हल करना - (81/9) - 24/4 * 90 | 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

$$-(81\div9)-24\div4\times90$$