问题
填空题
60米增加它的20%后是______米,70比80少______%.
答案
(1)60×(1+20%),
=60×1.2,
=72(米);
(2)(80-70)÷80,
=10÷80,
=12.5%.
故答案为:72,12.5.
60米增加它的20%后是______米,70比80少______%.
(1)60×(1+20%),
=60×1.2,
=72(米);
(2)(80-70)÷80,
=10÷80,
=12.5%.
故答案为:72,12.5.