if a=5
a1=++a-a+++--a-a--
tanya2601:
i think...instead of a1...it is a+
no it is a1
it can't be
u just check out in book
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of a = 5
a+=++a - a++ + --a - a--
=> a=a+ ++a-a++ +--a-a--
=> a= 5 + 6 - 5 + 5 - 5
=> a= 16 - 10
=> a=6
a+=++a - a++ + --a - a--
=> a=a+ ++a-a++ +--a-a--
=> a= 5 + 6 - 5 + 5 - 5
=> a= 16 - 10
=> a=6
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