跪求数学天才前来解答: 1 2 3 4 5 6 7 8八个数字做四道数学题:
()+()=7 ()+()=9 ()_()=1 ()_()=2 每个数字不克不及反复必需用完八个数字: 帮帮我啊帮帮我啊
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跪求数学天才前来解答: 1 2 3 4 5 6 7 8八个数字做四道数学题:
()+()=7 ()+()=9 ()_()=1 ()_()=2 每个数字不克不及反复必需用完八个数字: 帮帮我啊帮帮我啊