一个长方形的长为a m,宽为b m(a>b).将它的长增加2m,宽减少3m,一个长方形的长为a m,宽为b m(a>b).将它的长增加2m,宽减少3m,长方形的面积是增加了还是减少了?减少了多少平方米?我知道是减少了,
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/19 00:48:00
![一个长方形的长为a m,宽为b m(a>b).将它的长增加2m,宽减少3m,一个长方形的长为a m,宽为b m(a>b).将它的长增加2m,宽减少3m,长方形的面积是增加了还是减少了?减少了多少平方米?我知道是减少了,](/uploads/image/z/1811613-21-3.jpg?t=%E4%B8%80%E4%B8%AA%E9%95%BF%E6%96%B9%E5%BD%A2%E7%9A%84%E9%95%BF%E4%B8%BAa+m%2C%E5%AE%BD%E4%B8%BAb+m%28a%EF%BC%9Eb%29.%E5%B0%86%E5%AE%83%E7%9A%84%E9%95%BF%E5%A2%9E%E5%8A%A02m%2C%E5%AE%BD%E5%87%8F%E5%B0%913m%2C%E4%B8%80%E4%B8%AA%E9%95%BF%E6%96%B9%E5%BD%A2%E7%9A%84%E9%95%BF%E4%B8%BAa+m%2C%E5%AE%BD%E4%B8%BAb+m%28a%EF%BC%9Eb%29.%E5%B0%86%E5%AE%83%E7%9A%84%E9%95%BF%E5%A2%9E%E5%8A%A02m%2C%E5%AE%BD%E5%87%8F%E5%B0%913m%2C%E9%95%BF%E6%96%B9%E5%BD%A2%E7%9A%84%E9%9D%A2%E7%A7%AF%E6%98%AF%E5%A2%9E%E5%8A%A0%E4%BA%86%E8%BF%98%E6%98%AF%E5%87%8F%E5%B0%91%E4%BA%86%3F%E5%87%8F%E5%B0%91%E4%BA%86%E5%A4%9A%E5%B0%91%E5%B9%B3%E6%96%B9%E7%B1%B3%3F%E6%88%91%E7%9F%A5%E9%81%93%E6%98%AF%E5%87%8F%E5%B0%91%E4%BA%86%2C)
xR]OA+M6~nږ~UKWħ
%B >@Xچζ}_pv֚BƷ{Μ{'cvi/7˴v])$qV8RqoYҬ@CUiBv5scpxnJ[^lyS8VdsFgnm}`zcRF
8+#@1sl|?8l4_*Y8Ng/6`b{75T^C4s97UĴ(`M/dAGH3 g MbH.