请翻译这道数学题 并做出来
Australia'sannualbirthrateisapproximately12per1000andthedeathrateisapproximately6.5pe...
Australia's annual birthrate is approximately 12 per 1000 and the deathrate is approximately 6.5 per 1000.if the population of Australia is about 20 million,calculate:
a.how many births occur each year?
b.how many deaths occur each year?
c.thw rate of natural increase of population(birth rate minus death rate) 展开
a.how many births occur each year?
b.how many deaths occur each year?
c.thw rate of natural increase of population(birth rate minus death rate) 展开
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