问题
填空题
12厘米是24厘米的______%;200千克比160千克多______%;24米比______米少20%;______比32少40%
答案
(1)12÷24=50%;
(2)(200-160)÷160,
=40÷160,
=25%;
(3)24÷(1-20%),
=24÷0.8,
=30(米);
(4)32×(1-40%),
=32×0.6,
=19.2(米);
故答案为,50%,25%,30,19.2.