152X13一52X13简便方法
第1个回答 2016-04-08
152X13一52X13
=(152一52)X13
=100X13
=1300本回答被网友采纳
=(152一52)X13
=100X13
=1300本回答被网友采纳
第2个回答 2016-04-08
152*13-52*13=(152-52)*13=13*100=1300
第3个回答 2016-04-08
152x13-52x13
=(152-52)x13
=100x13
=1300
=(152-52)x13
=100x13
=1300