一个长方体如果高缩短3厘米，就成了一个正方体．这时表面积比原来减少了48平方厘米，原来的长方体的体积是多少立方厘米？表面积是多少平方厘米？
直接写出得数×15=×2=×=×= 1×=×=×34=×=×=×=×=×=
计算． 1×4.8 2×3.5 2.3×1 2×0.63．
口算：×15=×2=×=×=×= 1×=×=×34=×=×=×=×=
直接写出得数．×40=﹣=×= 2×= 24×=×22= 18×=×=×=×=
计算下面各题×=×=×= 9××=+×××=
试卷网 试题网 古诗词网 作文网 范文网
Copyright ©2020-2025 优题课 youtike.com 版权所有
粤ICP备20024846号
×15=
×2=
×
=
×
=
=
×
=
×34=
×
=
×
=
×
=
×
=
×
=
×4.8 2
×3.5 2.3×1
2
×0.63．
×15=
×2=
×
=
×
=
×
= 1×
=
×
=
×34=
×
=
×
=
×
=
×
=
×40=
﹣
=
×
= 2×
= 24×
=
×22= 18×
=
×
=
×
=
×
=
×
=
×
=
×
=
×
=
+
×
×
×
=