问题
填空题
40吨相当于80吨的______%;80吨比50吨多______%;40吨比50吨少______%.
答案
(1)40÷80=50%;
(2)(80-50)÷50
=30÷50
=60%.
(3)(50-40)÷50
=10÷50
=20%.
故答案为:50,60,20.
40吨相当于80吨的______%;80吨比50吨多______%;40吨比50吨少______%.
(1)40÷80=50%;
(2)(80-50)÷50
=30÷50
=60%.
(3)(50-40)÷50
=10÷50
=20%.
故答案为:50,60,20.