问题 解答题

脱式计算:

(390+30)÷7;

2340÷5÷3;

2065+4675÷5.

答案

(1)(390+30)÷7,

=420÷7,

=60;

(2)2340÷5÷3,

=468÷3,

=156;

(3)2065+4675÷5,

=2065+935,

=3000.

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