如何计算底和高均未知的三角形的面积
如图，直角三角形ABC中，∠CAB=90°，AB=4厘米，AC=6厘米。分别以BC、AB为边长向外作正方形BCDE和正方形ABFG，求红色三角形BEG的面积。
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关税的不可预测或会增加痛苦 —— “急切地想…购买” 英语怎么说？
It would be naive to think that the tariff regime will be settled on April 2nd. The president exults in his power to dole out puni
几何冲刺，经典例题合集2025.3.21-3
·如图：P是矩形ABCD外一点，若S蓝=28cm2，S红=6cm2，求矩形ABCD的面积。
每天学英语（167天）
When in the evening you went to the cowshed with the lighted lamp in your hand， I should suddenly drop on to the earth again and b