हल करना (ก) 84 / [40 - \{15 + (13 - 9)\}] | 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

$$84 \div [ 40 - ( 15 + ( 13 - 9 ) ) ]$$