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5×[6.8-(1.6+3.6÷0.9)]÷84.
人气:159 ℃ 时间:2020-03-28 10:08:19
解答
5×[6.8-(1.6+3.6÷0.9)]÷84,
=5×[6.8-(1.6+4)]÷84,
=5×[6.8-5.6]÷84,
=5×1.2÷84,
=6÷84,
=
1
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