问题 解答题

简便计算下列各题:

(1)22÷7+23÷7+24÷7+25÷7+26÷7+27÷7

(2)360×72+36×280.

答案

(1)22÷7+23÷7+24÷7+25÷7+26÷7+27÷7,

=(22+23+24+25+26+27)÷7,

=147÷7,

=21;

(2)360×72+36×280,

=360×72+360×28,

=360×(72+28),

=36000.

问答题 简答题
单项选择题