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Mathematics, 04.01.2021 21:50 smiley0326

A red lamp flashes every 10 seconds,a yellow lamp flashes every 24 seconds and a blue lamp flashes every 30 seconds. How many times will the three lamps flash at the same time in 10 minutes?

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A red lamp flashes every 10 seconds,a yellow lamp flashes every 24 seconds and a blue lamp flashes...
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