问题
解答题
一批零件平均分给师徒两人去做.经过6小时,师傅完成了任务,这时徒弟还差96个没有完成.已知徒弟的工作效率是师傅的
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答案
96÷(1-
×1 6
×6),4 5
=96÷(1-
),4 5
=96÷
,1 5
=480(个);
480×2=960(个).
答:这批零件有960个.
一批零件平均分给师徒两人去做.经过6小时,师傅完成了任务,这时徒弟还差96个没有完成.已知徒弟的工作效率是师傅的
|
96÷(1-
×1 6
×6),4 5
=96÷(1-
),4 5
=96÷
,1 5
=480(个);
480×2=960(个).
答:这批零件有960个.
用方框中所给单词的适当形式填空,使短文完整正确。(每个单词限用一次) | |
something right in front of your eyes. In 1826,a Frenchman 2 Niepce needed picture for his business. But he wasn't a good artist. So the 3 simple camera was invented by him. He put“in a window of his house and took a picture of his yard. The kite was 4 in China, the fifth or fourth century BC. Kungshu Pan made 5 shaped like birds which can fly for 6 three days, and Mo Li spent three years building a 7 kite. Kites were 8 in wartime as early as 1232 when kites with messages were flown over Mongol(蒙古) lines 9 the Chinese. The strings were cut and the kites landed among the Chinese prisoners(范人),inciting(煽动) them to struggle and escape. Kites fitted with hooks and bait(鱼饵)were used for 10 Trhe kite was invent by fishing hard use kite up to special name one What's the most important invention of all the time? It's l to say, but we know that it may be something right in front of your eyes. In 1826,a Frenchman 2 Niepce needed picture for his business. But he wasn't a good artist. So the 3 simple camera was invented by him. He put“in a window of his house and took a picture of his yard. The kite was 4 in China, the fifth or fourth century BC. Kungshu Pan made5_____________shaped like birds which can fly for 6 three days, and Mo Li spent three years building a 7____kite. Kites were 8 in wartime as early as 1232 when kites with messages were flown over Mongol(蒙古) lines 9 the Chinese. The strings were cut and the kites landed among the Chinese prisoners(范人),inciting(煽动)them to struggle and escape. Kites fitted with hooks and bait(鱼饵)were used for 10 Trhe kite was first mentioned in Europe in a popular book of wonders and tricks in 1589. first mentioned in Europe in a popular book of wonders and tricks in 1589. |