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Mathematics, 19.05.2020 16:08 kortetsosie4576

How many 4-digit numbers are multiples of at least one of these two numbers: 2; 5.
How many 4-digit numbers are multiples of both 2 and 5?
How many 4-digit numbers are neither multiples of 2 nor multiples of 5?

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How many 4-digit numbers are multiples of at least one of these two numbers: 2; 5.
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