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#include <stdio.h>
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int main()
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{
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int a, b;
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a = 1;
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b = 1;
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while (a <= 9)
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{
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b = 1;
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while (b <= a)
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{
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printf("%d*%d=%d\t", b , a, a * b);
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b++;
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}
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printf("\n");
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a++;
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}
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