Question

טיו
JUL
n (AUB) = n (A) + n (B) - n(
AB) = n(A) + n (B) - n (B) = n (A) = etc.)
2.
the subjects, how many students all together wee in the class, who took mathematics or physics or
In a class 60 students took mathematics and 30 took physics. If 17 students were enrolled in both
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Answer 1

Answer:

the answer is in the picture