计算：cos60°+22-8-2-1．-数学

更多内容推荐

• The plane crashed and all the passengers _____including 3 children, fell into the sea.A．aroundB．aboa
• (2014·福建师大附中高三质检)—I am sorry I didn’t finish the task.—Never mind.________，you have tried your best.
• (2014·石家庄模拟)The company provides cheap Internet access.________，it makes shareware freely available.
• As everybody knows，kangaroos are native________Australia and are often regarded as one of Australia’
• As is often the case, the fact that something is cheap doesn’t _____ mean it’s of low quality.A．nece
• We don't care if a hunting dog smells _______, but we really don't want him to smell _____
• A survey of China's citizens found that some smokers are unwilling to kick the habit because th
• 计算：（1）3-2cos30°+0-（15）-1（2）求抛物线y=-12x2+3x-52的对称轴及顶点坐标．-数学
• — Harry is too thin for his age.— So he is, but ______ he is very healthy.A．finallyB．exactlyC．event
• ---It is what parents say and do that really matters in children’s character training.--- _________.
• （1）计算：(-1)2+sin230°+(2)0-(12)-1；（2）化简：3x-6x2-4÷x+2x2+4x+4．-数学
• 计算-3-64+2-3÷(-14)0+（0.125）2009×（-8）2008．-数学
• (2014·南昌第二中学高三检测)We must keep our room clean，for dirt and disease go________，you know.A．hand in hand
• Like some of my classmates，I cannot live up to my teachers' expectations；________，I let them do
• After watching a movie Avatar, Mary lay in bed with her eyes ______ open while all her family were _
• — Thanks for your help.— Don’t mention it. I _______ offered some advice.A．basicallyB．merelyC．eventu
• 计算：18-2sin45°+（π-3.14）0-数学
• There I saw ten children ________ all, two of whom were from Class 3.-高三英语
• December 17, 2011 was a sad day for the North Koreans, ______ their top leader Kim Jung-ill passed
• The lake is _____ beautiful in spring and summer because of the pleasant weather in both seasons. A．
• ---It is what parents say and do that really matters in children’s character training.---________.A．
• No one expected houses prices to fall, but _______ that is exactly what happened.A．moreover B．thus C
• (2014·福建省普通高中质量检查)The doctor advised her to eat more bean products________meat which might be harmfu
• 计算：（1）18-32+22；（2）(13)-2-2sin45°+(π-3.14)0+128+(-1)3-数学
• （1）计算：22-1-8-(2+1)0．（2）|-12|+sin30°+2cos245°-13tan260°．-数学
• 计算：sin60°+(13)-1-tan30°-(cos45°-2)0-数学
• A friend of mine will go to France________Hong Kong，and we agree to contact each other________email.
• Many chemical substances react________oxygen. A．onB．withC．againstD．to-高三英语
• --- What do you think of the speech?--- The speaker said _____ nothing worth listening to.A．nearlyB．
• 若（x-2）0=1，则x的取值范围是[]A．x≥2B．x=0C．x≠2D．x=0或x=3-八年级数学
• A friend of ______ went to the railway station to see ______．A．Rebecca；her off B．Rebecca； off her C
• --What should I prepare for him?--________ anything. He is not particular with food.A．NearlyB．Almos
• Luckily, only a few passengers aboard were ________ injured in the traffic accident.A．slightlyB．appr
• Don't be too hard ______ the boy; he didn't mean it. [ ]A. at; doing B. on; to do C. for;
• We can hardly believe what she says because she is ___changing her mind.A．regularlyB．eventuallyC．fir
• 求下列各式的值（1）9-24-327；（2）（2008）0+tan60°-2cos30°．-数学
• 计算：（1）(12)-1+|π-2009|0-3sin60°（2）解方程：1x-1=2x+1．-数学
• （1）计算：22+(-3)0-9（2）化简：（a+b）2+a（a-2b）-数学
• They are quite different ________ each other ________their tastes.A．from；inB．in; fromC．with; onD．wit
• 计算：(13)-1+16÷(-2)3+(2011-π3)0-3•tan60°．-数学
• 若（am+1bn+2）-（a2n-1b2m）=a5b6，求n-m的值．-数学
• As he works in a remote area, he visits his parents only ____.A．occasionallyB．anxiouslyC．practicall
• Compared with male graduates, a(n) ______ small number of female graduates can get employed when the
• Luckily, the man escape death when a fire broke out in his home on Sunday morning.A．hardly B．gentlyC
• Thirty computers have been sent to the school some other new teaching equipment.A．exceptB．includingC
• People who are addicted ______ drugs can not go without them for a few hours.A．inB．forC．ofD．to-英语
• （1）计算：12-(π-3)0+(12)-1-|-23|（2）解方程：（3x+2）2-4=0．-数学
• 计算：8-2(3-2)0+(23)-2=______-数学
• Isn't ________ rude ________ him to talk to his mother like that?A．that; forB．that; ofC．it; for
• —How do you react ________your father's suggestion?—I reacted strongly ________it.A．on；toB．on；w