47*92的简便计算:
=47*100-47*10+47*2
=4700-470+94
=4230+94
=4324
47*92简便计算方法:
=50*92-3*92
=50*100-50*8-(3*100-3*8)
=5000-400-(300-24)
=4600-300+24
=4300+24
这属于简单的乘法计算题目,计算的结果为4324,验算用除法,4324÷47=92,