一件上衣45元，裤子比上衣便宜12元，买一套衣服要多少元？8N3X)J+b:D9]-A7p+x.}(t(W)q3z5L1d6f
算式：提示1h/@0n-z)p3C(t/u6C0X,r0C;h8N3X)J+b:D9]-A7p+x.}(t(W)q3z5L1d6f
答：一套衣服共/F2P5F;O0V'C3o4]2Q/b元。8N3X)J+b:D9]-A7p+x.}(t(W)q3z5L1d6f