亚洲男人天堂av,国产一区二区久久精品,国产精品一区二区久久精品,国产精品久久久久久一区二区三区,五月婷婷在线观看视频,亚洲狠狠色丁香婷婷综合

歡迎您訪問數(shù)學(xué)考題練習(xí):某100元的商品連續(xù)兩次降價(jià),每次降價(jià)的百分?jǐn)?shù)!

數(shù)學(xué)考題練習(xí):某100元的商品連續(xù)兩次降價(jià),每次降價(jià)的百分?jǐn)?shù)

更新時(shí)間:2024-01-12 12:56:54作者:貝語網(wǎng)校

某100元的商品連續(xù)兩次降價(jià),每次降價(jià)的百分?jǐn)?shù)相同,降價(jià)后的價(jià)格為64元,則每次降價(jià)的百分?jǐn)?shù)是

A.10%

B.20%

C.30%

D.40%

試題答案

B

為您推薦

數(shù)學(xué)考題練習(xí):下列關(guān)于總體的說法正確的是

下列關(guān)于總體的說法正確的是A.所要考查的對(duì)象稱作總體B.總體是指我們所要研究的對(duì)象C.所要考查對(duì)象的全體叫做總體D.總體是指所要研究對(duì)象的數(shù)量

2024-01-12 12:56

數(shù)學(xué)考題練習(xí):點(diǎn)(-4,b)與點(diǎn)(a+1,3)關(guān)于x軸對(duì)稱,

點(diǎn)(-4,b)與點(diǎn)(a+1,3)關(guān)于x軸對(duì)稱,則a,b中的值分別是A.a=-5,b=3B.a=3,b=3C.a=-5,b=-3D.a=3,b=-3

2024-01-12 12:56

數(shù)學(xué)考題練習(xí):下列各題中的數(shù)據(jù),精確的是

下列各題中的數(shù)據(jù),精確的是A.小明班上有50人B.某次地震傷亡10萬人C.吐魯番盆地低于海平面155米D.小紅測得數(shù)學(xué)書的長度為21cm

2024-01-12 12:56

數(shù)學(xué)考題練習(xí):為了了解我國15歲的男孩的平均身高,從北方抽取

為了了解我國15歲的男孩的平均身高,從北方抽取了300個(gè)男孩平均身高165 cm,從南方抽取200個(gè)男孩平均身高為155 cm,由此可以推斷我國15歲男孩的平均身高為.A.159 cmB.160 cmC.161 cmD.162 cm

2024-01-12 12:56

數(shù)學(xué)考題練習(xí):若一個(gè)三角形的外心在三角形的一邊上,則這個(gè)三角

若一個(gè)三角形的外心在三角形的一邊上,則這個(gè)三角形是A.銳角三角形B.直角三角形C.等邊三角形D.鈍角三角形

2024-01-12 12:56

數(shù)學(xué)考題練習(xí):PA,PB切⊙O于A,B,D為⊙O上一動(dòng)點(diǎn)(與

PA,PB切⊙O于A,B,D為⊙O上一動(dòng)點(diǎn)(與A,B不重合),若∠P=54°,則∠ADB等于A.126°B.63°C.117°D.63°或117°

2024-01-12 12:56

加載中...
主站蜘蛛池模板: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |