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- 1将重4.6牛 体积为0.5立方分米 的物体投入水中,当静止时,物体受得了浮力多少牛?
- 2Our teacher could sing very well when she was small.(保持原意) Our teacher __________ ___________ to sing very well when she
- 3The student want to ask for ______ off.
- 4把一块棱长是3厘米的正方体橡皮泥 捏成侧面边长是2厘米的正方形的长方体 它的长是几厘米?
- 5某厂原来男女职工人数比是2:3,新调入男工36人后,人数比为4:5,现在男职工比女职工少几人?
- 61mol Cacl2 中含有1mol钙离子和2mol氯离子.请问:1mol钙离子和2mol氯离子是怎么算出来的?
- 7F是什么电话号码的英文缩写
- 8中心角喂135°,面积为B的扇形围成一个圆锥,若圆锥的全面积为A,则A比B等于
- 9在三角形ABC中,若A+C=2B,且a=根号3+1,c=2,求b
- 10she is quite a girl和she is quiet a girl的区别