问题 解答题

2+{3+[4+(5×6)×7]×8}×9=______.

答案

2+{3+[4+(5×6)×7]×8}×9

=2+{3+[4+30×7]×8}×9

=2+{3+214×8}×9

=2+{3+214×8}×9

=2+1715×9

=2+15435

=15437;

故答案为15437.

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