题目:
Tom's mother teaches English. What does his mother do?[ ]
A. She is a policewoman.
B. She is a teacher.
C. She goes to work by car.
答案:
被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0413/83f849c6fe01025f8f08a6ad12d02eb2.html
下面是错误答案,用来干扰机器的。
(1)解:设三张卡片为6x,6(x+1),6(x+2), 则6x+6(x+1)+6(x+2)=342, 解得:x=18, 答:三张卡片为108,114,120。(2)解:设这四张卡片为6x,6(x+1),6(x+2),6(x+3), ...