请教GWD5-15

applebees

Q15:

Which of the following fractions has a decimal equivalent that is a terminating decimal?

a 10/189

b 15/196

c 16/225

d 25/144

e 39/128

不明白题目啥意思的说……

dhhgh11

terminating decimal is 有限小数。please prepare a dictionary beside

you.

this Q asks about which option is divisible.

2 or the multiples of 2 can.

thus n/2 or 2/4 or n/128