हल करना (90)((4)/(5))-(42)((1)/(5)) | 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

$$90 \frac { 4 } { 5 } - 42 \frac { 1 } { 5 }$$