问题
解答题
125×67×8
227×78+773×78
425÷25+575÷25.
答案
(1)125×67×8,
=(125×8)×67,
=1000×67,
=67000;
(2)227×78+773×78,
=(227+773)×78,
=1000×78,
=78000;
(3)425÷25+575÷25,
=(425+575)÷25,
=1000÷25,
=40.
125×67×8
227×78+773×78
425÷25+575÷25.
(1)125×67×8,
=(125×8)×67,
=1000×67,
=67000;
(2)227×78+773×78,
=(227+773)×78,
=1000×78,
=78000;
(3)425÷25+575÷25,
=(425+575)÷25,
=1000÷25,
=40.