问题补充:
已知A=4322×1233,B=4321×1234,下面结论正确的是A.A>BB.A=BC.A<BD.无法判断
答案:
C
解析分析:分别把4322变成(4321+1),1234变成(1233+1),再根据乘法分配律,进行运算,据此解答.
解答:A=4322×1233,A=(4321+1)×1233,A=4321×1233+1233;B=4321×1234,B=4321×(1233+1),B=4321×1233+4321,4321×1233+1233<4321×1233+4321,故