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
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