问题
解答题
商店有彩色电视机210台，比黑白电视机的3倍还多21台．商店有黑白电视机多少台？
答案
设黑白电视机有x台，则彩色电视机就是3x+21台，根据题意可得方程：
3x+21=210
3x=189
x=63
答：黑白电视机有63台．
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商店有彩色电视机210台，比黑白电视机的3倍还多21台．商店有黑白电视机多少台？
设黑白电视机有x台，则彩色电视机就是3x+21台，根据题意可得方程：
3x+21=210
3x=189
x=63
答：黑白电视机有63台．
When I was in my first year of middle school, my father died. And my mother was ill just after I started high school, I had to stop 1 school because my mother had no ___2___ to pay for my school bills. We started working in people’s gardens to save up enough money 3 me to go back to school. After some time, I returned to school. Unluckily, my mother died the next year. Suddenly my world went 4 . I asked my headmaster 5 I could work for the school so I could pay my bills. He was a nice man and let me 6 in the school garden during the 7 . I had not been able to study well because of my mother’s 8 . 9 the end of my second year, I 10 most of my exams and was told I would have to repeat (重复) the year. After 11 summer working in the school garden, I went back to lessons again. But suddenly I fell 12 . Because of my illness, I was weak and couldn’t work at school. I was hopeless. My headmaster told me not to give up (放弃). And my teachers and classmates helped me a 13 . Now I’m feeling better and will finish my third year. My life is still not 14 . A few students 15 my poor clothes. They also call me ‘farmer’ because I work in the school garden. But I know I have to do with such problems.
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