1、长方体和正方体表面积和体积计算练习题 20单位dm107830733875单位dm34.58274.53564.58单位m59.58169.537109.52单位m95.59225.52655.57单位cm55.59275.52555.58单位dm86.511156.53266.55单位cm33824328838单位dm931025332337单位dm541028439545单位m23.59233.52863.52单位dm32922222824单位cm104.510264.52494.53单位dm621018230925单位dm3101022102210102单位m41.511191.5339
2、1.54单位m34.59214.53594.56单位cm35.511165.52335.54单位m49.510229.53099.52单位dm25.58245.54035.53单位cm461127638566单位m102.510252.54092.56单位m881122823484单位cm3211262221023单位dm84.58204.52894.54单位m34.512174.52844.55单位dm87.511247.52537.55单位dm471128729776单位cm95.512165.53775.55单位cm54.58274.53784.55单位m31.512161.52781.58单位dm93.512263.522103.57单位m1010112910236108单位m64103043274