猜你喜欢
- 1设严格单调函数y=f(x)有二阶连续导数,f(0)=0,其反函数x=§(y),且f(1)=1
- 2已知3x+2y=172x+3y=13,则x-y=_.
- 3X减2的绝对值加上X减3的绝对值等于1 求X
- 4小明家在银行以整存整取的方式存入人民币20000元,定期两年,年利率是4.68%.到期时实际可得本息多少元?
- 5teacher says that that that that that student wrote is wrong ".
- 6在△ABC中,D在BC上,且DC=2BD,点E在AD上,且AE=ED=BD,CE=AB,(1)求∠ADB的度数
- 7Woule you like ---more tea?Thank you.I have had____ A,any,much B,some,enough C,some,much
- 8(-0.2)的2002次方×5的2002次方+(-1)2002次方+(-1)2001次方的值是多少?
- 9相对分子质量为M的某物质在室温下的溶解度是Sg,此时测得饱和溶液的密度为Pg.ml-1,则该饱和溶液中溶质的物的量浓度是?
- 10如图所示,一个重为10牛的实心金属块,挂在弹簧秤下并浸入水中(弹簧秤未画出),当金属块的体积的13浸入水中静止时,弹簧秤的示数为8牛,当把金属块全部浸入水中并碰到杯底时,弹