小学数学百分数应用题及答案(四十)(2)
网络资源
2018-09-18 09:37:04
80×(1+10%)×(1-10%),
=80×1.1×0.9,
=79.2(元);
答:现售价79.2元.
故选:C.
80×(1+10%)×(1-10%),
=80×1.1×0.9,
=79.2(元);
答:现售价79.2元.
故选:C.