1 A man has assets of 5 billion (5 000 000 000).If he spents 10 dollars every second ,how long will it take for him to spend all his money?
2 one million second is about
(a)3 days (b)12 days (c)3 months (d)1 year (e)2 year
人气:383 ℃ 时间:2020-01-29 16:02:18
解答
second是秒(s是它的缩写)
用除法算
1.5 000 000 000÷10÷60÷60÷24=5787.037天
2.1 000 000÷60÷60÷24=11.57天接近(b)12 days
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