问题
选择题
249+196+351=196+(249+351)应用的是( )
|
答案
249+196+351,
=196+249+351,运用加法的交换律
=196+(249+351),运用加法的结合律
=196+600,
=796;
故选:C.
249+196+351=196+(249+351)应用的是( )
|
249+196+351,
=196+249+351,运用加法的交换律
=196+(249+351),运用加法的结合律
=196+600,
=796;
故选:C.