问题
解答题
|
答案
①75+225÷(20-5),
=75+225÷15,
=75+15,
=90;
②(46-32)×(7+25),
=14×32,
=448;
③(124-85)×12÷13,
=39×12÷13,
=468÷13,
=36;
④235-135÷5,
=235-27,
=208.
|
①75+225÷(20-5),
=75+225÷15,
=75+15,
=90;
②(46-32)×(7+25),
=14×32,
=448;
③(124-85)×12÷13,
=39×12÷13,
=468÷13,
=36;
④235-135÷5,
=235-27,
=208.