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  3. [img]2011q4/ct_egreqj_egreqjs_0044_20113[/img] First convert 1/5 to its decimal

[img]2011q4/ct_egreqj_egreqjs_0044_20113[/img] First convert 1/5 to its decimal

游客2025-02-24  29
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答案  First convert 1/5 to its decimal equivalent, which is 0.2. Then multiply 0.25 by 0.2 to get 0.05. Another way to solve is to first convert 0.25 to its equivalent fraction, which is 1/4. When multiplying the two fractions, you first multiply the numerators, and then the denominators, giving you 1/20.
   Because this is equivalent to 0.05, either answer will be correct.
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