已知△+○=□,如果△+○+□=60,那么□=______.
人气:194 ℃ 时间:2020-02-02 19:43:32
解答
因为△+○=□,
△+○+□=60,
所以□+□=60,
所以2个□=60,
□=60÷2=30.
答:那么□=30.
故答案为:30.
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