【#初中奧數# #初一奧數簡單的應用題練習三篇#】學好數理化,走遍天下都不怕,但是還是有很多同學的數學學不好,那就需要多加練習。®無憂考網整理了相關內容,快來看看吧!希望能幫助到你~更多相關訊息請關注®無憂考網!
初一奧數簡單的應用題練習篇一
1.一塊正(zheng)方(fang)(fang)形(xing)(xing)的草(cao)(cao)地(di)如果每邊增加(jia)5米(mi),擴大后仍為一塊正(zheng)方(fang)(fang)形(xing)(xing)草(cao)(cao)地(di),面積比原(yuan)來(lai)正(zheng)方(fang)(fang)形(xing)(xing)草(cao)(cao)地(di)增多425平方(fang)(fang)米(mi),求原(yuan)來(lai)的正(zheng)方(fang)(fang)形(xing)(xing)草(cao)(cao)地(di)的邊長。
2.植樹(shu)(shu)(shu)(shu)節那天(tian),小(xiao)(xiao)(xiao)(xiao)明、小(xiao)(xiao)(xiao)(xiao)紅(hong)(hong)、小(xiao)(xiao)(xiao)(xiao)月(yue)和小(xiao)(xiao)(xiao)(xiao)康四位(wei)同(tong)學(xue)共種(zhong)了120棵樹(shu)(shu)(shu)(shu),小(xiao)(xiao)(xiao)(xiao)明種(zhong)的(de)樹(shu)(shu)(shu)(shu)是其他(ta)同(tong)學(xue)種(zhong)樹(shu)(shu)(shu)(shu)總數(shu)的(de)一半,小(xiao)(xiao)(xiao)(xiao)紅(hong)(hong)種(zhong)的(de)樹(shu)(shu)(shu)(shu)是其他(ta)同(tong)學(xue)種(zhong)樹(shu)(shu)(shu)(shu)總數(shu)的(de)三分之(zhi)一,小(xiao)(xiao)(xiao)(xiao)月(yue)種(zhong)的(de)樹(shu)(shu)(shu)(shu)是其他(ta)同(tong)學(xue)種(zhong)樹(shu)(shu)(shu)(shu)總數(shu)的(de)四分之(zhi)一,你知道小(xiao)(xiao)(xiao)(xiao)康同(tong)學(xue)種(zhong)了多少(shao)棵樹(shu)(shu)(shu)(shu)?
3.一(yi)商店(dian)售出兩(liang)件(jian)不同的衣服,售價都(dou)是(shi)(shi)240元,按成本計算(suan),其中一(yi)件(jian)賺了五(wu)分之一(yi),另(ling)一(yi)件(jian)虧了五(wu)分之一(yi),售出衣服后,商店(dian)是(shi)(shi)賺了還是(shi)(shi)虧了?差額是(shi)(shi)多少(shao)?
4.一(yi)項工程(cheng),甲(jia)隊(dui)(dui)單獨(du)(du)完成(cheng)需要10天,乙(yi)隊(dui)(dui)單獨(du)(du)完成(cheng)需要15天,丙隊(dui)(dui)單獨(du)(du)完成(cheng)需要20天,開始時三個隊(dui)(dui)一(yi)起(qi)工作,中途甲(jia)隊(dui)(dui)撤(che)走(zou),由乙(yi)、丙兩個隊(dui)(dui)一(yi)起(qi)完成(cheng)剩下的工程(cheng),后共(gong)用(yong)6天時間完成(cheng)該(gai)工程(cheng),那么甲(jia)隊(dui)(dui)實際(ji)工作了多少天?
5.明(ming)早(zao)(zao)上從家(jia)(jia)步(bu)(bu)行(xing)去學校(xiao)(xiao),走完一半路程(cheng)時,爸(ba)(ba)(ba)爸(ba)(ba)(ba)發現小明(ming)的(de)數學課本丟在家(jia)(jia)里,隨即(ji)開車(che)去給小明(ming)送書,趕上時,小明(ming)還有的(de)路程(cheng)未走完,小明(ming)隨即(ji)上了爸(ba)(ba)(ba)爸(ba)(ba)(ba)的(de)車(che),由爸(ba)(ba)(ba)爸(ba)(ba)(ba)送往學校(xiao)(xiao),這樣,小明(ming)比(bi)獨自步(bu)(bu)行(xing)提早(zao)(zao)5分鐘到(dao)校(xiao)(xiao),小明(ming)從家(jia)(jia)到(dao)學校(xiao)(xiao)全部步(bu)(bu)行(xing)要多少時間?
初一奧數簡單的應用題練習篇二
1、有甲、乙(yi)(yi)(yi)、丙三人,甲每分(fen)(fen)(fen)鐘走(zou)100米(mi),乙(yi)(yi)(yi)每分(fen)(fen)(fen)鐘走(zou)80米(mi),丙每分(fen)(fen)(fen)鐘走(zou)75米(mi)。現(xian)在甲從(cong)東村(cun),乙(yi)(yi)(yi)、丙兩人從(cong)西村(cun)同時出發相向而行,在途中(zhong)甲與乙(yi)(yi)(yi)相遇6分(fen)(fen)(fen)鐘后,甲又與丙相遇,東西兩村(cun)的距離是多少(shao)米(mi)?
2、甲(jia)、乙兩人(ren)沿周長(chang)40米的(de)圓形水池玩,他(ta)們從同一地(di)點,同時(shi)背向繞水池而(er)行,甲(jia)每秒鐘(zhong)走(zou)1.4米,乙每秒鐘(zhong)走(zou)1.1米,當第(di)8次(ci)相(xiang)遇時(shi),乙還要(yao)走(zou)多(duo)少(shao)米才能到出發點?
3、A、C兩(liang)地相距(ju)7000米(mi)(mi),B是(shi)A、C兩(liang)地的中點,小(xiao)(xiao)明(ming)騎自行車(che)從A地、小(xiao)(xiao)華步行從B地同時(shi)出發去C地,并且到了C地立即返回,已知小(xiao)(xiao)明(ming)的速度為250米(mi)(mi)/分,小(xiao)(xiao)華的速度為100米(mi)(mi)/分,小(xiao)(xiao)明(ming)和(he)小(xiao)(xiao)華相遇時(shi)距(ju)C地多少(shao)米(mi)(mi)?
4、兩輛汽(qi)車(che)從兩地同時出(chu)發,相向而(er)行,已知(zhi)甲車(che)行完(wan)全程比乙車(che)多用1.5小時,甲車(che)每(mei)小時行40千(qian)米,乙車(che)每(mei)小時行50千(qian)米,出(chu)發后多少小時兩車(che)相遇?
5、甲(jia)車(che)(che)每小(xiao)時(shi)(shi)行40千(qian)米(mi),乙車(che)(che)每小(xiao)時(shi)(shi)行60千(qian)米(mi)。甲(jia)車(che)(che)從A地、乙車(che)(che)從B地同(tong)時(shi)(shi)出發相向而行。兩車(che)(che)相遇后4.5小(xiao)時(shi)(shi)甲(jia)車(che)(che)到達B地,A、B兩地相距多少千(qian)米(mi)?
初一奧數簡單的應用題練習篇三
1、小明(ming)步行(xing)上(shang)學,每分(fen)(fen)(fen)鐘(zhong)行(xing)70米,離家12分(fen)(fen)(fen)鐘(zhong)后,爸(ba)爸(ba)發(fa)現小明(ming)的(de)(de)文(wen)具盒忘(wang)在家中,爸(ba)爸(ba)帶著文(wen)具盒立(li)即騎(qi)自(zi)行(xing)車以(yi)每分(fen)(fen)(fen)鐘(zhong)280米的(de)(de)速度去(qu)追小明(ming)。爸(ba)爸(ba)出發(fa)幾(ji)分(fen)(fen)(fen)鐘(zhong)后追上(shang)小明(ming)?
2、甲、乙(yi)(yi)、丙(bing)三人都從A城(cheng)(cheng)到B城(cheng)(cheng),甲每(mei)小(xiao)時(shi)行4千(qian)(qian)米(mi),乙(yi)(yi)每(mei)小(xiao)時(shi)行5千(qian)(qian)米(mi),丙(bing)每(mei)小(xiao)時(shi)行6千(qian)(qian)米(mi),甲出(chu)(chu)發3小(xiao)時(shi)后(hou)乙(yi)(yi)才(cai)出(chu)(chu)發,恰好三人同時(shi)到達(da)B城(cheng)(cheng)。乙(yi)(yi)出(chu)(chu)發幾小(xiao)時(shi)后(hou)丙(bing)才(cai)出(chu)(chu)發?
3、四年(nian)級(ji)同學(xue)從學(xue)校步(bu)行到工廠參觀,每分(fen)鐘(zhong)行75米,24分(fen)鐘(zhong)以后(hou),因有重(zhong)要事情(qing),派張兵騎車從學(xue)校出發去追。如果他每分(fen)鐘(zhong)行225米,那(nei)么幾分(fen)鐘(zhong)后(hou)可以追上同學(xue)們?
4、兩名(ming)運動員在環形跑(pao)道上練習(xi)長(chang)跑(pao)。甲(jia)每(mei)分鐘跑(pao)250米,乙每(mei)分鐘跑(pao)200米,兩人(ren)同(tong)(tong)(tong)(tong)時同(tong)(tong)(tong)(tong)地同(tong)(tong)(tong)(tong)向出發,經(jing)過45分鐘甲(jia)追上乙。環形跑(pao)道一周長(chang)多少米?如果兩人(ren)同(tong)(tong)(tong)(tong)時同(tong)(tong)(tong)(tong)地背向而行,經(jing)過多少分鐘兩人(ren)相遇?
5、我騎兵以每小(xiao)(xiao)時20千(qian)米的(de)速(su)度(du)追(zhui)擊(ji)敵(di)(di)兵,當(dang)到(dao)達(da)某(mou)站時,得(de)知(zhi)敵(di)(di)人已于(yu)2小(xiao)(xiao)時前(qian)逃跑。已知(zhi)敵(di)(di)人逃跑的(de)速(su)度(du)是(shi)每小(xiao)(xiao)時15千(qian)米。我騎兵幾小(xiao)(xiao)時后可以追(zhui)上敵(di)(di)人?