设原价为x则现价;x(1+10%)(1-10%)=0.99x所以商品的现价和原价相比是低了选c希望对你有帮助
C.比原价低 (1+10%)*(1-10%)=99%
C!!!!!!!!绝对淮确!!!!!!!!! (1+10%)*(1-10%)=99%
c