Mathematics
Junior High
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求解,謝謝🙏

510 DIY 1 h = 4h A D 則梯形 ABCD 面積為 ADBC 如右圖,梯形ABCD中,AD/BC。若AB=5,AD=1,BC=CD=7,4 5 平方單位。 856 1/1 + 1 = th -B C
國二下數學 特殊四邊形的性質

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