问题
填空题
比25少20%的数是______,比16多25%的数是______.
答案
25×(1-20%),
=25×0.8,
=20;
16×(1+25%),
=16×1.25,
=20;
故答案为:20,20.
比25少20%的数是______,比16多25%的数是______.
25×(1-20%),
=25×0.8,
=20;
16×(1+25%),
=16×1.25,
=20;
故答案为:20,20.