1.一个长方体的棱长之和是48厘米,长、宽、高的比是3:2:1,这个长方体的体积是( ),表面积是( ).2.有一种浓度为15%的盐水400克,如果再放入100克食盐,这是盐水的浓度为( ).3.若y=a b,则(
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/30 09:12:15
![1.一个长方体的棱长之和是48厘米,长、宽、高的比是3:2:1,这个长方体的体积是( ),表面积是( ).2.有一种浓度为15%的盐水400克,如果再放入100克食盐,这是盐水的浓度为( ).3.若y=a b,则(](/uploads/image/z/7106178-66-8.jpg?t=1.%E4%B8%80%E4%B8%AA%E9%95%BF%E6%96%B9%E4%BD%93%E7%9A%84%E6%A3%B1%E9%95%BF%E4%B9%8B%E5%92%8C%E6%98%AF48%E5%8E%98%E7%B1%B3%2C%E9%95%BF%E3%80%81%E5%AE%BD%E3%80%81%E9%AB%98%E7%9A%84%E6%AF%94%E6%98%AF3%EF%BC%9A2%EF%BC%9A1%2C%E8%BF%99%E4%B8%AA%E9%95%BF%E6%96%B9%E4%BD%93%E7%9A%84%E4%BD%93%E7%A7%AF%E6%98%AF%EF%BC%88+%EF%BC%89%2C%E8%A1%A8%E9%9D%A2%E7%A7%AF%E6%98%AF%EF%BC%88+%EF%BC%89.2.%E6%9C%89%E4%B8%80%E7%A7%8D%E6%B5%93%E5%BA%A6%E4%B8%BA15%25%E7%9A%84%E7%9B%90%E6%B0%B4400%E5%85%8B%2C%E5%A6%82%E6%9E%9C%E5%86%8D%E6%94%BE%E5%85%A5100%E5%85%8B%E9%A3%9F%E7%9B%90%2C%E8%BF%99%E6%98%AF%E7%9B%90%E6%B0%B4%E7%9A%84%E6%B5%93%E5%BA%A6%E4%B8%BA%EF%BC%88+%EF%BC%89.3.%E8%8B%A5y%3Da+b%2C%E5%88%99%EF%BC%88)
xXNK^"i܍ќI>`<7sbb1|_$wu0kw/!p"1 ]UUzKM5Za^=;3;'>404KXy\3
&
PO{%kiL]:5:[b{5]bbm9UWE>^B|yG]|nR~xh~IYhBOi~GsfEgobJvxPlӯ3cD y8~偗}]j^NDVJ$yJP,-nK3 W]ͅO|Yt:]V2g1ݕB"\ɶ2xc'cW[59(6P;,&rG@Bx5jRaj"2Z%*ddưе4%CNTӡnG\EB5I3uՍ:^JvLaO46f(XI!:֭E+8Xoau&HP/t'ty41r-&*WCG3Rm{HW`Xd\Uá:( P4#J%Rs,Lj̦8\5T:AU yD8 T=S_pƛUVH6Ho)xxcMgt2B:"ZwrPa'd"ϧ1.J3o#x:S̃\h/u X;ć&Y,ܶԗ"Re8^G#ץ!TE!JEpesAPfnspW6` &4^t_-7@Rjp2X6)WAKx_/ڙ#nX[vlޚl*y=FCmympbqM5^^Y&BKUvܙ%w>üb˶]*3/Z-EADVrl*҆cFjMdӪZ-y!HLb+'gtSQg_-14jF94*`z+\֮|W'.zo_@4#xr׃!9BP?S_5hO
=${!-̬ѰrMbڙ퇥?ϛ$y&M/ Lyr|=&P~.p>'5yp
!ܛ0VHs#\|Y_I$tBLl;#\_ۤzVjNT]\qWLi8 dAE@KS@`]מj'_!lPy.Cv
Jpt bϚ{Nw[Fg.91zٿ³cbVxFDӂ]C8,-Rj,%JhR{CQedXN56ėOH#)#ԦJ*D"i&un+X='r.8ds2oYg9z?B~NX=xiǺMy^̏|3aFh-Q_PUnk/ۑ25V~g+i{ǿ'pt'kt'MY}