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计算:48°39′+67°31′-21°17′×5=______.
人气:189 ℃ 时间:2019-10-19 14:36:20
解答
48°39′+67°31′-21°17′×5
=48°39′+67°31′-106°25′
=116°10′-106°25′
=9°45′.
故答案为:9°45′.
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