If the sum of two numbers is 6 and the difference is 8, what are the two numbers respectively?
This kind of problem is a typical application problem, and it has the law of solving problems:
(sum+difference) ÷2= larger number.
(sum and difference) ÷2= smaller number
So these two numbers are
(6+8)÷2=7
(8-6)÷2= 1
This law can easily solve the problem of sum and difference.
If you are satisfied, please adopt it.
A. Which texts in the first volume of the fifth grade Chinese are suitable for open classes?
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