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Solve `(0. 07xx0. 07xx0. 07-0. 05xx0. 05xx0. 05)/(0. 07xx0. 07+0. 07xx0. 05+0. 05+0. 05)` (a) 0.002 (b) 0.02 (c) 0.2 (d) 0.0002

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(0.7xx0.05xx0.004)/(0.07xx0.04)=

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