42X125X8
=42X(125X8)
=42X1000
=42000
猜你喜欢
- 1My English is poor,I really need some converssation practices
- 29升=_立方分米=_毫升. 4500立方厘米=_立方分米. 6.08平方米=_平方分米. 7.64立方米=_立方分米.
- 3Today is the first day of the rest of your life.
- 4It is seven o'clock .It is time ____ ____ ____ (动身去)school.根据汉语写出适当的短语
- 5正立方体甲和乙的边长之比是2:3,将它们分别放置在水平桌面上时,它们对桌面的压强均为p.将甲如图5所示放置在乙上面,乙对桌面的压强为p¢.则p¢:p 等于
- 6根据36=2x2x3x3写出它的因数
- 71,2,2,3,4,5,7,8,11,12,( )
- 8有Zn、Mg、Al的混合物M克和足量的稀硫酸200g恰好反应,蒸干水分后得到固体生成物N克,求生成氢气多少克?
- 9氯气(Cl2)能与水发生如下反应:Cl2+H2O═HCl+HClO,其中HClO是一种酸.将Cl2通入氢氧化钠溶液中,反应的生成物有( ) A.NaCl H2O B.NaClO H2O C.NaCl NaClO D.NaCl NaClO
- 10游白水书付过