问题
填空题
甲数比乙数多25%,则乙数比甲数少______%.
答案
设乙数是100,
100×(1+25%),
=100×1.25,
=125,
(125-100)÷125,
=25÷125,
=20%;
答:乙数比甲数少20%;
故答案为:20.
甲数比乙数多25%,则乙数比甲数少______%.
设乙数是100,
100×(1+25%),
=100×1.25,
=125,
(125-100)÷125,
=25÷125,
=20%;
答:乙数比甲数少20%;
故答案为:20.