问题 解答题

45×8×6

960-60÷3

(345+285)÷7.

答案

(1)45×8×6,

=360×6,

=2160;

(2)960-60÷3,

=960-20,

=940;

(3)(345+285)÷7,

=630÷7,

=90;

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