Mathematical symbols of the second grade of junior high school - Training Enrollment Network

Mathematical symbols of the second grade of junior high school

Proof: left = a # (a+b) = [a (a+b)]/(a+b+c) = (ab+c) = (ab)/(a+b+c)+(AC)/(a+b+c).

right = a # b+a # c =(ab)/(a+b)+(AC)/(a+c)

So: a#(b+c) is not equal to A # B+A # C.

This is the result. . .

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