一根方木,底面是边长2cm的正方形,木料长2.4m,如果每立方米木头重0.5吨,50根这的方木共重多少吨?
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/23 22:02:16
![一根方木,底面是边长2cm的正方形,木料长2.4m,如果每立方米木头重0.5吨,50根这的方木共重多少吨?](/uploads/image/z/9327649-49-9.jpg?t=%E4%B8%80%E6%A0%B9%E6%96%B9%E6%9C%A8%2C%E5%BA%95%E9%9D%A2%E6%98%AF%E8%BE%B9%E9%95%BF2cm%E7%9A%84%E6%AD%A3%E6%96%B9%E5%BD%A2%2C%E6%9C%A8%E6%96%99%E9%95%BF2.4m%2C%E5%A6%82%E6%9E%9C%E6%AF%8F%E7%AB%8B%E6%96%B9%E7%B1%B3%E6%9C%A8%E5%A4%B4%E9%87%8D0.5%E5%90%A8%2C50%E6%A0%B9%E8%BF%99%E7%9A%84%E6%96%B9%E6%9C%A8%E5%85%B1%E9%87%8D%E5%A4%9A%E5%B0%91%E5%90%A8%3F)
一根方木,底面是边长2cm的正方形,木料长2.4m,如果每立方米木头重0.5吨,50根这的方木共重多少吨?
一根方木,底面是边长2cm的正方形,木料长2.4m,如果每立方米木头重0.5吨,50根这的方木共重多少吨?
一根方木,底面是边长2cm的正方形,木料长2.4m,如果每立方米木头重0.5吨,50根这的方木共重多少吨?
V=0.02x0.02x2.4=0.00096立方米
一根重0.00096x0.5=0.00048t
50根重0.024t
2*2.4*0.5*50=120
2cm=0.02m
0.02*0.02*2.4=0.00096m³
0.00096*0.5*50=0.024吨
一楼和三楼对。也可以这样做:0.5×(2.4× 0.02 × 0.02 ×50)=0.024
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