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青山村种的水稻2008年平均每公顷产8000kg,2010年平均每公顷产9680kg,求该村水稻每公顷产量的年平均增长率.解题方案:设该村水稻每公顷产量的年平均增长率为x.(Ⅰ)用含x的代数式表示:...
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青山村种的水稻2008年平均每公顷产8000kg2010年平均每公顷产9680kg求该村水稻每公顷产
注意为了使同学们更好地解答本题我们提供了一种解题思路你可以依照这个思路按下面的要求填空完成本题的解
青山村种的水稻2010年平均每公顷产7200kg设水稻每公顷产量的年平均增长率为x则2012年平均
7200(x+1)
2
kg
7200(x
2
+1)kg
7200(x
2
+x)kg
7200(x+1)kg
WJ一号水稻种子当年种植当年收割当年出水稻产量以后每年要出产量还需重要新种植某村201420152
某村种的水稻前年平均每公顷产7200kg今年平均每公顷产8450kg.设这两年该村水稻每公顷产量的
青山村种的水稻2010年平均每公顷产7200kg2012年平均每公顷产8450kg求水稻每公顷产量的
7200(1
﹣
x
)
2
=8450
7200(1
+
x)
2
=8450
7200+
x
2
=8450
8450(1﹣x0
2
=7200
青山村种的水稻2001年平均每公顷产7200公斤2003年平均每公顷产8450公斤水稻每公顷产量的年
胥山村种的水稻2001年平均每公顷产7200公斤2003年平均每公顷产8450公斤求水稻每公顷产量的
某村种的水稻2008年平均每公顷产7500kg2010年平均每公顷产9075kg求该村水稻每公顷产
向阳村种植的水稻2013年平均每公顷产7200kg近几年产量不断增加2015年平均每公顷产量达到8
光明村种的水稻2001年平均每公顷产7200kg2003年平均每公顷产9800kg求水稻每公顷产量的
小康村种的水稻2011年的平均亩产量为7200Kg/公顷2013的平均亩产量为8450Kg/公顷求
江夏某村种植的水稻2010年平均亩产500kg2012年平均亩产605kg求该村亩产量的年平均增长
某村种的水稻前年平均每公顷产7200kg今年平均每公顷产8450kg.设这两年该村水稻每公顷产量的
列方程解应用题. 青山村种的水稻2010年平均每公顷产6000kg2012年平均每公顷产7260
.注意为了使同学们更好地解答本题我们提供了一种解题思路你可以依照这个思路按下面的要求填空完成本题的解
某山村种的水稻2010年平均每公顷产7200kg2012年平均每公顷产8712kg求水稻每公顷产量
注意为了使同学们更好地解答本题我们提供了一种解题思路你可以依照这个思路按下面的要求填空完成本题的解答
青山村种的水稻2010年平均每公顷产7200kg2012年水稻平均每公顷产的产量是8400kg设水
7200(1+x)
2
=8400
7200(1+x
2
)=8400
7200(x
2
+x)=8400
7200(1+x)=8400
青山村种的水稻2001年平均每公顷产7200kg2003年平均每公顷产8450kg求水稻每公顷产量
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