计算：1224-683+46-2．-数学

更多内容推荐

• —Why didn’t you come to the cinema with us last Saturday? —Oh，sorry．But Ithe film．A．seeB．sawC．have
• Every possible meansto prevent the air pollution, but the sky is not still clear.A．is usedB．are used
• A local radio station said that several eruptions _____ in the past twenty years.A．had been taken pl
• 化简：32-8+212．-数学
• His teacher told him that since his parents were working abroad , either his grandparents or one of
• 下列计算正确的是[]A．×=B．+=C．=3D．=2-八年级数学
• 计算：（1）8a-32a（2）3220×1348．-数学
• 下列运算（1）(-5)2=-5，（2）8+182=4+9，（3）32+23=55，（4）4-2=2．其中正确的个数是（）A．0B．1C．2D．3-数学
• --Why does the river smell terrible?--Because large quantities of water__________.A．have polluted B．
• 计算275-92+12-数学
• 计算：2a3-a2a+a8a-数学
• 计算：52-（18-12）-数学
• 计算：323+182-505．-数学
• — Watch out! The petrol __. — Oh, my God. We have to find a service station soon enough.A．runs outB．
• 24+23-36．-数学
• The three of us ________ around Europe for about a month last summer.A．have travelledB．had travelle
• 计算12-3的结果为______；方程x（x-1）=x的解为______．-数学
• I'll go to the library as soon as I finish what I .A．was doingB．am doingC．have doneD．had been
• 计算147-75+27的值为（）A．911B．311C．33D．53-数学
• —Bob has gone to California.—Oh, can you tell me when he ?A．has leftB．leftC．is leavingD．would leave-
• ---Ring me at 7 a.m.?---No, not that early! I _________.A．sleepB．will sleepC．am sleepingD．will be sl
• 计算：（1）12-213-27；（2）(2-3)2+8÷3．-数学
• （0.5+213）-（18-27）-数学
• 化简：8-18+2．-数学
• Some minatory experts are sure that the army of that nation _________ with more modern and advanced
• 计算：1236x+6x4-2x1x．-数学
• 化简：①a2b-a2b+ab-a2b(a≥0，b＞0)②4x+22x-128x-4x(x≥0)-数学
• The Internet connection for the entire area _________ when there was a sudden power cut yesterday.A．
• Quantities of precious jewelry_____ buried_____ in the earth. A．was found; deeplyB．were found; deep
• Crusoe found that nine savages seemed to be eating something which they ___ on the fire.A．have cooke
• 计算：12-(818+1327-0.5)．-数学
• 计算（1）312+(-12)-(-13)+223（2）-82+3×(-2)2+(-6)÷(-13)2．-数学
• We had thought Carla would say a lot about her job interview, but she ____ it.A．doesn’t mention B．di
• 计算题：（1）-97+37-27（2）-415÷710+6-数学
• 化简：8ab-b2ab-ab2a（a＞0，b＞0）-数学
• 计算：28-63．-数学
• You ____ television. Why not do something more active?A． always watchB． are always watchingC． have a
• —Waiter, what about my coffee? I______ for over 10 minutes.—Sorry, sir. It will just be a momentA．am
• All visitors to this village______ with kindness.A．treatB．are treatedC．are treatingD．had been treate
• A highway bridge ______over the river. They hope to finish it next month.A．was builtB．is builtC．has
• The silence in the dark building was scaring. No sound and voice____ heard at that moment.A．wereB．wa
• You don’t have to pay for your flights ; they’re in the price of your holiday .A．concludedB．heldC．se
• 化简并计算：（1）27+2-8-12（2）23-(1624-3212)（精确到0.01）-数学
• ---Hurry, John!---Oh, damn! Both my legs are nearly to give out. I ____for hours.A．had walked B．walk
• 218-418+332．-数学
• 计算12-(818+1327)．-数学
• 212+348-475．-数学
• 327a-9a3+1275a．-数学
• 计算：12-18-0.5+13-数学
• Scientists have created GM tomatoes which ______ fresh for 45 days, three times as long as normal to