三角=15
方=49
圆=33
圆加方等于82,三角加方等于64,三角加圆等于48,问圆、三角、方各等于几?
圆加方等于82,三角加方等于64,三角加圆等于48,问圆、三角、方各等于几?
数学人气:673 ℃时间:2019-09-29 06:11:44
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