问题
填空题
______比200多20%,20比______少20%.
答案
(1)200×(1+20%),
=200×120%,
=240;
(2)20÷(1-20%),
=20÷80%,
=25;
故答案为:240,25.
______比200多20%,20比______少20%.
(1)200×(1+20%),
=200×120%,
=240;
(2)20÷(1-20%),
=20÷80%,
=25;
故答案为:240,25.