A.fff\(\frac{700}{1000}+\frac{4}{10}+\frac{7}{100}\)/fff
B.fff\(\frac{6}{10}+\frac{12}{100}+\frac{37}{1000}\)/fff
C.fff\(\frac{7}{100}+\frac{4}{10}+\frac{27}{1000}\)/fff
D.fff\(\frac{7}{100}+\frac{4}{1000}+\frac{7}{10}\)/fff
E.fff\(\frac{32}{100}+\frac{4}{1000}+\frac{27}{1000}\)/fff
我的答案：
