各位大虾请教一道英语数学题SAT if n is a two-digit number whose units digi
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各位大虾请教一道英语数学题SAT if n is a two-digit number whose units digit is 4 times its tens
if n is a two-digit number whose units digit is 4 times its tens digit,which of the following statements must be true?
A.n is a multiple of 4
B.n is a multiple of 7
C.10
D.n is greater than 40
E.20
SAT 学霸更好了.是2011年1月真题SECTION8 的第10题.
if n is a two-digit number whose units digit is 4 times its tens digit,which of the following statements must be true?
A.n is a multiple of 4
B.n is a multiple of 7
C.10
D.n is greater than 40
E.20
SAT 学霸更好了.是2011年1月真题SECTION8 的第10题.
![各位大虾请教一道英语数学题SAT if n is a two-digit number whose units digi](/uploads/image/z/794689-25-9.jpg?t=%E5%90%84%E4%BD%8D%E5%A4%A7%E8%99%BE%E8%AF%B7%E6%95%99%E4%B8%80%E9%81%93%E8%8B%B1%E8%AF%AD%E6%95%B0%E5%AD%A6%E9%A2%98SAT+if+n+is+a+two-digit+number+whose+units+digi)
题意是:如果n是各两位数,个位数字是十位数字的4倍,则下列正确的陈述是:
multiple是倍数的意思:
由题得:n是14或28
所以是7的倍数没错 选B
multiple是倍数的意思:
由题得:n是14或28
所以是7的倍数没错 选B