One minus one is not zero

How much is it

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1. X minus two-thirds is greater than or equal to zero
2. 1 / 3T minus one equals zero. Solve the equation
3. The third power of a minus one equals zero
4. 12 numbers, add and subtract to make the result equal to 0, write four different formulas
5. 1 + 1-1 + 1 = 30. The sign or number moves at any time. The number is equal to 30
6. What is zero minus one!
7. How much is three plus two minus five times zero?
8. If a two digit number is 3 times larger than a ten digit number, and the square of the single digit number is equal to the two digit number, find the two digit number. Let the single digit number be x, and the general formula of the equation is______ ．
9. Eight out of twelve plus one is equal to one
10. One in eight equals a few in ten. How many in twelve equals a few in twenty
11. The difference between five a plus two minus four a is zero
12. 50 channel 3-digit addition and subtraction Addition and subtraction
13. Three digit addition and subtraction I'd like to know, in our primary school, we used the method of addition, subtraction, multiplication and division. How many miles can a three digit, ten hundred evolve into? How many miles at most?
14. Help out 100 three digit addition and subtraction Urgent, brothers and sisters, help out 100 addition and subtraction arithmetic problems, Little sister, I have an urgent need sorry It's three digits plus three digits Three digit minus three digit
15. What's the idiom that two non's add up to three non's and two non's add up to one yes?
16. Add three a minus two B, equal to 75, add three B minus two a, equal to 5, how much is a and B?
17. 3. - 5, 7, 13 No matter multiplication, division, addition or subtraction is equal to 24
18. The addition and subtraction of three fives equals four
19. 10 10 2 4 add and subtract by multiplication and division, and the result is equal to 24
20. Multiply, divide, add and subtract with 3, - 4,6,10 to make the result equal to 24