问题
解答题
比40米多25%是______.40千克比______千克少20%.
答案
(1)40×(1+25%)
=40×1.25
=50(米);
(2)40÷(1-20%)
=40÷80%
=50(千克).
故答案为:50米,50.
比40米多25%是______.40千克比______千克少20%.
(1)40×(1+25%)
=40×1.25
=50(米);
(2)40÷(1-20%)
=40÷80%
=50(千克).
故答案为:50米,50.