猜你喜欢
- 1The artist tried his best to paint what he saw with his _______ as well as with his eyes.
- 2自然界的物体都在运动吗?
- 3Mary became ____ monitor of our class.
- 4三视图和画法?
- 5解微分方程dy/dx=((x+y-1)^2)/((x+y+1)^2)
- 6一列火车从车站出发作匀加速直线运动,加速度为0.5m/s2,此时恰好有一辆自行车（可视为质点）从火车头旁驶过,自行车速度v=8m/s,火车长L=336m
- 7若实数a，b，c，d满足ab=2，c+2d=0，则（a-c）2+（b-d）2的最小值为_．
- 8人民小学为400名学生投保“平安保险”，保险金额每人5000元，保险期限一年．按年保险费率0.4%计算，学校应付保险费多少元？
- 9几道计算题（结果保留两位小数）
- 10把1/7拆成3个不同的分数单位之和,并且要求这些分数的分母都要小于56