10×7=70(平方米);
10×8=80(平方米);
(7+8)×15=225(平方米);
=225嗯嗯,谢谢了选为满意答案,谢谢
王大伯种了一块蔬菜地共有150平方米,其中种的白菜占45%,其中种的萝卜占35%,余下种的芹菜有多少平方米?
王大伯种了一块蔬菜地共有150平方米,其中种的白菜占45%,其中种的萝卜占35%,余下种的芹菜有多少平方米?
数学人气:920 ℃时间:2020-01-04 01:45:00
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