Find the sum of integers between 100 and 299 that are not divisible by 9
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81,90,99,108,117,126,135,144,153,162,171,180,189,198,207,216,225,234,243,252,261,270,279,288,297,306
Therefore,
There are 22 number whose sum between 100 and 299 that are divisible by 9
Hence,
200 number in total between 100 and 299
200-22=178
There are 178 numbers whose sum are not divisible by 9
Therefore,
There are 22 number whose sum between 100 and 299 that are divisible by 9
Hence,
200 number in total between 100 and 299
200-22=178
There are 178 numbers whose sum are not divisible by 9
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