问题 解答题

5×[6.8-(1.6+3.6÷0.9)]÷84.

答案

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
14

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