用50根同样的方木,堆成一个长2㎝²、宽1.5m、高1.2m的长方体.平均每根方木的体积是多少立方米?合多少立方分米?
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/05 23:47:24
![用50根同样的方木,堆成一个长2㎝²、宽1.5m、高1.2m的长方体.平均每根方木的体积是多少立方米?合多少立方分米?](/uploads/image/z/536241-57-1.jpg?t=%E7%94%A850%E6%A0%B9%E5%90%8C%E6%A0%B7%E7%9A%84%E6%96%B9%E6%9C%A8%2C%E5%A0%86%E6%88%90%E4%B8%80%E4%B8%AA%E9%95%BF2%E3%8E%9D%26%23178%3B%E3%80%81%E5%AE%BD1.5m%E3%80%81%E9%AB%981.2m%E7%9A%84%E9%95%BF%E6%96%B9%E4%BD%93.%E5%B9%B3%E5%9D%87%E6%AF%8F%E6%A0%B9%E6%96%B9%E6%9C%A8%E7%9A%84%E4%BD%93%E7%A7%AF%E6%98%AF%E5%A4%9A%E5%B0%91%E7%AB%8B%E6%96%B9%E7%B1%B3%3F%E5%90%88%E5%A4%9A%E5%B0%91%E7%AB%8B%E6%96%B9%E5%88%86%E7%B1%B3%3F)
用50根同样的方木,堆成一个长2㎝²、宽1.5m、高1.2m的长方体.平均每根方木的体积是多少立方米?合多少立方分米?
用50根同样的方木,堆成一个长2㎝²、宽1.5m、高1.2m的长方体.平均每根方木的体积是多少立方米?合多少立方分米?
用50根同样的方木,堆成一个长2㎝²、宽1.5m、高1.2m的长方体.平均每根方木的体积是多少立方米?合多少立方分米?
2x1.5x1.2÷50
=3.6÷50
=0.072(立方米)
=72(立方分米)
2×1.5×1.2÷50=0.072立方米 合72立方分米