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Mathematics, 02.08.2019 08:00 eiza666

Ricardo ran the 400-meter race 3 times ,his fastest time was 54.3 seconds, his slowest time was 56.1 seconds, if his average time as 55.0 second what was his time the third race.

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Ricardo ran the 400-meter race 3 times ,his fastest time was 54.3 seconds, his slowest time was 56.1...
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