问题
解答题
甲、乙、丙三位工人师傅共做了140个零件,甲做的是乙的4倍,丙做的比乙的一半还多8个,这三位工人师傅各做了多少个零件?
答案
解:设乙做了x个零件。
4x+x+×x+8=140
x=24
所以甲:96个 乙:24个 丙:20个
甲、乙、丙三位工人师傅共做了140个零件,甲做的是乙的4倍,丙做的比乙的一半还多8个,这三位工人师傅各做了多少个零件?
解:设乙做了x个零件。
4x+x+×x+8=140
x=24
所以甲:96个 乙:24个 丙:20个
补全对话:选择方框内适当的选项填入短文空白处(有一项是多余的)。 | |
A: What are you doing? B: 1 A: Great! Can you tell me something about the book? B: Certainly! It sa ![]() ![]() B: Yes, but during the last three or four hundred years, the world's population has grown very quickly. Today, it is growing faster than ever before. 3 A: Sorry, I don't know. B: It's more than 6 billion. A: It's so big. 4 B: Yes. If we don't control the population, there will not be enough space even to stand in on the earth in 600 years. A: 5
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