题目

小明买圆珠笔和铅笔共100支。已知圆珠笔每支3元,铅笔每支1元,买圆珠笔和买铅笔所用的钱数一样多。圆珠笔和铅笔各买了多少支? 答案:解:3+1=4 100×34=75(支) 100-75=25(支) 答:圆珠笔买了25支,铅笔买了75支。—What does your favorite teacher look like?—She tall and thin, and she long curly hair.A. is; is B. is; has C. has; has D. has; is
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