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- 2表现杜甫忧国忧民的诗有哪些
- 3电源电压6伏且不变,滑动变阻器R2 上标有“50欧2安”字样,闭合电键 后,移动滑片到某位置时,电压、电 流示数分别是2伏0.2安.求滑动变阻 器R2阻值,电阻R1阻值,电阻R1的 最大电流,
- 4太阳能照射到地球后,
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- 6英语作文 【你长大后想干什么】
- 7TO be frank _______ you ,a discount _____ 2% _____ your prices would not help very much.
- 8今天天气真冷.(把冷的程度写出来)
- 9已知单项式M、N满足等式:2x(M-x)=6x²y三次方+Nx²,求M、N.
- 10it was in the park ( ) i met him the day before yesterday