问题
解答题
|
答案
①8400÷84+15×36,
=100+540,
=640;
②540÷(38-29)×13,
=540÷9×13,
=60×13,
=780;
③455+65×(273÷21),
=455+65×13,
=455+845,
=1300;
④(350-270÷45)×23,
=(350-6)×23,
=344×23,
=7912.
|
①8400÷84+15×36,
=100+540,
=640;
②540÷(38-29)×13,
=540÷9×13,
=60×13,
=780;
③455+65×(273÷21),
=455+65×13,
=455+845,
=1300;
④(350-270÷45)×23,
=(350-6)×23,
=344×23,
=7912.