农夫与蛇改写400字

sin²a+cos²65°=1,则锐角a= 已知θ,β是锐角,求y=4/sin²θ+9/cos²θsin²βcos²β的最小值 在家里养棵红豆杉吉利吗? I( )the old happy days I spent in the countryside very much.A think B miss C lose D worry about 7.22日全食山东枣庄几点到几点能看到? what about()A play cards B plays cards C playing cards What about( )(play)games thinl of,think over,think about的区别 be known as,be known for,be famous as,be famous for的区别 think about us, just a play 什么意思如题 He wil offer me with some money哪里错了 sinα>cosα的图像怎么画 要图 还有加上绝对值的图 或者画下来发个照片 That box is lighter than me.哪里有错 My hobbies __A___ a great deal of my time.选项:a、take outb、 take offc、 take in d、 take up Most days,I spend a great deal of my time working.I get up at 6am and have a quick shower before cosα的绝对值大于sinα的绝对值求角α的取值范围精确的步骤 5.变量数列中各组频率的总和应该 （ ） .A.小于1 B.等于1 C.大于1 D.不等于1 sin45°sin15°=求值：根号3/2·cos15°-1/2sin15°=tan70°+tan50°-根号3·tan70°tan50°= 做数学题不会用已知条件怎么办现在学双曲线,很多题条件很乱~然后根本不知道从何下手,我该怎么办?我以往都是习惯于看例题,这样有用吗?还是要动手做一遍?烦死了, （较易）甲乙两地相距480千米,一辆货车从甲地开往乙地,第一小时行了全程的八分之一,第二小时行的是第一小时的四分之五,第二小时行了多少千米? 超易数学题.一辆汽车行8千米,用去汽油4/5升,平均每千米用汽油多少升?平均每升汽油能能行多少米? 求教高手帮忙用方程解应用题. 求教用方程解应用题 求教应用题用方程解 what doesn't this passage tell 我想问一下Online payment和Bank Transfer有什么差别? 求翻译~The payment Form:100% T/T to our Japan Bank with your P/O 英语翻译KUAILEBUG兄,你这是逗我玩呢? there's no such thing,such和thing之间为何不加冠词, (1/2)there is no such thing as bad weather,only different kinds of good What ___(be)you ___(do)this weekend?I ___(play)basketball. "If he doesn't help me, I won't buy the car."If he doesn't help me, I won't buy the car.改为简单句:I won't buy the car ______ ______ help. 推介的古诗和推介的理由(简短)