102x85 =(100+2)x85 =100x85+2x85 =8500+170 =8670 再看看别人怎么说的.
102*85 = 8670 验算:8670÷102=85 或者:8670÷85=102
计算:102*85=8670 验算:8670÷85=102
102x85=(100+2)x85=100x85+2x85=8500+170=8670亲,请【采纳答案】,您的采纳是我答题的动力,谢谢.
102x85=8670 验算:8670÷85=102
102*85简便运算计算式如下图
102*8=(100+2)*8=100*8+2*8=800+16=816
102x85简便计算=(100+2)*85=100*85+2*85=8500+170=8670
102*45=4590,竖式如下:
560.7