Mathematical an...

Choose or find odd number:
$$11,13,15,17$$

Choose or find odd number:
$$144,168,196,256$$

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$$37,49,132,154$$

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$$372164,376821,318951,319446,387315$$

Choose or find odd number:
$$10,11,15,16$$

Choose or find odd number:
$$49,63,77,81$$

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$$140,240,360,480$$

Choose or find odd number:
$$1532,8749,4268,5846,6137$$

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$$7851,6432,5789,1325,8167$$

Choose or find odd number
$$150,175,200,250$$