हल करना (7+5-9)4 9 10 (99-100)\$4-4? | 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

$$(7+5-9)4\frac{9}{10}(99-100)\$4-4?$$