(1) 3 234 512 = (a) three million two hundred thirty-four thousand five hundred and twelve
(b) three million two hundred and thirty-four thousand five hundred and twelve
(2) 3 209 502 = (a) three million two hundred nine thousand five hundred and two
(b) three million two hundred and nine thousand five hundred and two
老师们,请问这两题的答案哪个才正确?我看了些参考书,有不同的写法。学校教的是哪个?谢谢指教:) 本帖最后由 grass83 于 20-11-2013 12:48 AM 编辑