TT-Q32 这题好像没人问过，没找到

nerakuhs

这题答案是不是不对啊，（1）怎么会对啊

 

Q32:

What is the remainder when the two digit, positive integer x is divided by 3?

(1)     The sum of the digits of x is 5.

(2)     The remainder when x is divided by 9 is 5.

                  

A. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.

B. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.

C. BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.

D. EACH statement ALONE is sufficient.

E. Statements (1) and (2) TOGETHER are NOT sufficient.                                                                                      

Answer:  d

 

 

lessso

我也想知道啊 有米有数学nn唻帮一下偶们啊

probamboo

（1）（2）都可以 ，D
（1）假设两位数 十位是x, 则个位是5-x  这个数就是10x +(5-x)= 9x+5  被3除 余数是2
（2）此数为9x+5 除以3 余数为2