题目内容
判断对错.
25×32=(25×4)×8=100×8=800
( )
25.2各位上数的和能被3整除,所以25.2也能被3整除.
判断对错
24×25=(3×8)×25
900÷(3×25+75)
=900÷(3×100)
=900÷300
=3
900
=