Simplify : 25-1/2{5+4-(3+2-1+3)}
25-1/2{5+4-(3+2-1+3)}= 25-1/2{5+4-(5-1+3)}
=25-1/2{5+4-(4+3)}
=25-1/2{5+4-7}
=25-1/2{9-7}
= 25-1/2{2}
= 25-1
= 24
i have done it step by step and numbers in bold represent numbers undergoing operations