How much is one tenth minus 11 and one fifth

111/10.

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1. Palindrome number, for example, to multiply 77 by 78 equals 6006. I also need a formula,
2. Sum: 1-2 + 3-4 + 5 +（2n-1）-2n= Sum: 1-2 + 3-4 + 5 +（2n-1）-2n=
3. Design an algorithm to find all such three digits, which are equal to the sum of the cubes of its digits. Use QBASIC program to solve Design an algorithm to find all such three digits. These three digits are equal to the sum of cubes n=100 x=1 y=0 i=0 Do IF n=x^3+y^3+i^3 THEN PRINT n END IF n=n+1 i=i+1 IF i>9 THEN i=0 y=y+1 END IF IF y>9 THEN y=0 x=x+1 END IF LOOP UNTIL n>=1000 END
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7. A three digit number is the sum of its digits plus the cubic sum of its digits It seems that none of you can see the sum of your numbers + the cubic sum of your numbers
8. How much is minus 5 minus 65?
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11. A three digit minus the sum of its digits, the difference 46a is still a three digit, try to find the number a =?
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13. In integers, there are a number of symmetric numbers, such as 779395115, which are called palindromes
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