[請益] 梯形公式
怎麼和小朋友解釋
會什麼是 上底+下底x高 除2
謝謝
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◆ From: 218.175.144.130
推
08/23 18:19, , 1F
08/23 18:19, 1F
推
08/23 19:18, , 2F
08/23 19:18, 2F
推
08/23 21:24, , 3F
08/23 21:24, 3F
推
08/23 23:10, , 4F
08/23 23:10, 4F
推
08/24 01:41, , 5F
08/24 01:41, 5F
→
08/24 01:42, , 6F
08/24 01:42, 6F
→
08/24 14:38, , 7F
08/24 14:38, 7F
推
12/05 22:19, , 8F
12/05 22:19, 8F