The set of real numbers has the property of be-ing ordered:for any numbers a and b we have oneand only one of the these relations:a>b(a is greaterthan b),a=b,or a<b(a is less than b).The nota-tion a>b means t...The set of real numbers has the property of be-ing ordered:for any numbers a and b we have oneand only one of the these relations:a>b(a is greaterthan b),a=b,or a<b(a is less than b).The nota-tion a>b means the difference a-b is positive;thenotation a<b means the difference a-b is negative.The inequalities a>b and c>d are said to展开更多
文摘The set of real numbers has the property of be-ing ordered:for any numbers a and b we have oneand only one of the these relations:a>b(a is greaterthan b),a=b,or a<b(a is less than b).The nota-tion a>b means the difference a-b is positive;thenotation a<b means the difference a-b is negative.The inequalities a>b and c>d are said to
