Why does a plane fly even
when it is so heavy?
when it is so heavy?
Replace the '?' by any mathematical symbol to make the expression equal . 18 ? 12 ? 2 ? 3 = 111 If at 12 noon, it is raining in San Diego, could there be sunny weather in exactly 72 hours?
Does gum if eaten, really take 7 years to digest in our stomach?
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