请大家帮我看看这几道题吧 谢谢啊~~~~ 1 、 If 20 Swiss Francs is enough to buy 9 notebooks and 3 pencils, is 40 Swiss Francs enough to buy 12 notebooks and 12 pencils? (1) 20 Swiss Francs is enough to buy 7 notebooks and 5 pencils. (2) 20 Swiss Francs is enough to buy 4 notebooks and 8 pencils. 2、 If x is not equal to 0, is |x| less than 1? (1) x/|x|< x (2) |x| > x
If x is not equal to 0, is |x| less than 1? (1) x/|x|< x (2) |x| > x