9/1-SH-JJ

ＬＺ　ＮＮ，　请问可以给个数学ｊｊ　３２１的链接么　我下载的是３２２版本～　以方便对照　谢谢～

3. DS: (General meaning, not accurate) There is one garden and four water faucet, can the four water faucet cover the whole garden?

(1) The garden is 32 square centimeters.

(2) The radius is 2 centimeters.

4. PS: (General meaning, not accurate) There are 1,200 respondents in a survey. And they are divided into three groups, such as A, B and C with percentage of 54%, 36% and 42% respectively (numbers may not be accurate). The percentage of A and B is 30%, what is the maximum number of C only without neither A nor B.

这两题的答案是什么啊