MATHS暑期作業有題唔識

B<A 佢比埋你咖可??

B+1=A.....(1)

B/2 = A/4 +1.....(2)

sub (1) into (2):

B/2 = (B+1)/4 + 1

2B = B+1 +4

B = 5

sub B=5 into (1) :

5+1 = A

A = 6


希望幫到你

呢題太難,我用中文教的,恕我幫不到你