问题 填空题

计算(99999+99999+99999+99999+99999)÷9=______.

答案

(99999+99999+99999+99999+99999)÷9

=99999÷9+99999÷9+99999÷9+99999÷9+99999÷9

=11111+11111+11111+11111+11111

=55555.

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