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[Jianghu Urgent Questions] Solving Math Problems
Many things in the world are often so simple, but we often imagine them to be complicated.

The sum of two numbers is the sum of the first number and the second number

More than the first number is of course the second number.

Similarly, more than the second number is of course the first number.

-The sum of these two numbers is the sum of these two redundant numbers.

That is 260+340 = 600.