问题
填空题
0.45:0.5的比值是______,化成最简化是______.
答案
(1)0.45:0.5,
=(0.45×100):(0.5×100),
=45÷50,
=(45÷5):(50÷5),
=9:10,
=0.9;
(2)0.45:0.5,
=(0.45×20):(0.5×20),
=9:10;
故答案为:(1)0.9,(2)9:10.
0.45:0.5的比值是______,化成最简化是______.
(1)0.45:0.5,
=(0.45×100):(0.5×100),
=45÷50,
=(45÷5):(50÷5),
=9:10,
=0.9;
(2)0.45:0.5,
=(0.45×20):(0.5×20),
=9:10;
故答案为:(1)0.9,(2)9:10.