问题
填空题
40比50少______%,70比______多40%.
答案
(1)(50-40)÷50,
=10÷50,
=20%;
(2)70÷(1+40%),
=70÷140%,
=50;
故答案为:20,50.
40比50少______%,70比______多40%.
(1)(50-40)÷50,
=10÷50,
=20%;
(2)70÷(1+40%),
=70÷140%,
=50;
故答案为:20,50.