某饭店购回面粉10袋,每袋50千克,入库时复称结果如下(超过的千克数记正,不足的千克数记负):+0.8,-0.5,+1.1,0,-0.3,+0.4,-1.2,-0.7,+0.6,0,问该饭店买回面粉多少千克?
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/25 18:14:54
![某饭店购回面粉10袋,每袋50千克,入库时复称结果如下(超过的千克数记正,不足的千克数记负):+0.8,-0.5,+1.1,0,-0.3,+0.4,-1.2,-0.7,+0.6,0,问该饭店买回面粉多少千克?](/uploads/image/z/3810045-21-5.jpg?t=%E6%9F%90%E9%A5%AD%E5%BA%97%E8%B4%AD%E5%9B%9E%E9%9D%A2%E7%B2%8910%E8%A2%8B%2C%E6%AF%8F%E8%A2%8B50%E5%8D%83%E5%85%8B%2C%E5%85%A5%E5%BA%93%E6%97%B6%E5%A4%8D%E7%A7%B0%E7%BB%93%E6%9E%9C%E5%A6%82%E4%B8%8B%EF%BC%88%E8%B6%85%E8%BF%87%E7%9A%84%E5%8D%83%E5%85%8B%E6%95%B0%E8%AE%B0%E6%AD%A3%2C%E4%B8%8D%E8%B6%B3%E7%9A%84%E5%8D%83%E5%85%8B%E6%95%B0%E8%AE%B0%E8%B4%9F%EF%BC%89%EF%BC%9A%2B0.8%2C-0.5%2C%2B1.1%2C0%2C-0.3%2C%2B0.4%2C-1.2%2C-0.7%2C%2B0.6%2C0%2C%E9%97%AE%E8%AF%A5%E9%A5%AD%E5%BA%97%E4%B9%B0%E5%9B%9E%E9%9D%A2%E7%B2%89%E5%A4%9A%E5%B0%91%E5%8D%83%E5%85%8B%3F)
某饭店购回面粉10袋,每袋50千克,入库时复称结果如下(超过的千克数记正,不足的千克数记负):+0.8,-0.5,+1.1,0,-0.3,+0.4,-1.2,-0.7,+0.6,0,问该饭店买回面粉多少千克?
某饭店购回面粉10袋,每袋50千克,入库时复称结果如下(超过的千克数记正,不足的千克数记负):+0.8,-0.5,+1.1,0,-0.3,+0.4,-1.2,-0.7,+0.6,0,问该饭店买回面粉多少千克?
某饭店购回面粉10袋,每袋50千克,入库时复称结果如下(超过的千克数记正,不足的千克数记负):+0.8,-0.5,+1.1,0,-0.3,+0.4,-1.2,-0.7,+0.6,0,问该饭店买回面粉多少千克?
+0.8-0.5+1.1+0-0.3+0.4-1.2-0.7+0.6+0=+0.2
所以该饭店买回面粉
10 x 50 +0.2=500.2 (千克)
全部加起来再加500就OK了
最后就是500.4
50*10+0.8-0.5+1.1+0-0.3+0.4-1.2-0.7+0.6+0=50.2
+0.8-0.5+1.1+0-0.3+0.4-1.2-0.7+0.6+0=+0.2
所以该饭店买回面粉
10 x 50 +0.2=500.2 (千克)