试题:
计算.
(34×25+6×25)×29
38×[806÷(106-75)].

答案:

我来补答
(1)(34×25+6×25)×29,
=25×(34+6)×29,
=25×40×29,
=1000×29,
=29000;

(2)38×[806÷(106-75)],
=38×[806÷31],
=38×26,
=988.
 
 
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这些题目你会做吗?