问题
填空题
120增加15%后是______;______比60少10%.
答案
(1)120×(1+15%)
=120×115%
=138;
(2)60×(1-10%)
=60×90%
=54;
故答案为:138,54.
120增加15%后是______;______比60少10%.
(1)120×(1+15%)
=120×115%
=138;
(2)60×(1-10%)
=60×90%
=54;
故答案为:138,54.