麻烦看一下 各位NN 谢谢

scholar

which of the following fraction has a decimal equivalent that is a terminating decimal(有限小数是？）?
A 10/189 B 15/196 C 16/225 D 25/144 E 39/128  是死算吗？

Four cups of milk are to be poured into a 2-cup bottle and a 4-cup bottle. If each bottle is to filled to the same fraction of its capacity , how many cups of milk should be poured into the 4-cup bottle? A2/3 B7/3 C5/2 D8/3 E3  看不懂麻烦解释一下

lorein

我数学也不好~~凑合说吧~第一题只有E的分母不含因数3
第二题是说4cup的milk倒进2cbottle 和 4cbottle使得两个瓶子里到进去的占总容积的比重相同