与0.456×2.1结果相同的算式是请选择ABCD3m({7k3F9]6|。(d+~-|-L;L3X/B:w+e)c7T)p'Y/g
A、4.56×21(d+~-|-L;L3X/B:w+e)c7T)p'Y/g
B、21×0.0456(d+~-|-L;L3X/B:w+e)c7T)p'Y/g
C、45.6×0.21(d+~-|-L;L3X/B:w+e)c7T)p'Y/g
D、456×0.021(d+~-|-L;L3X/B:w+e)c7T)p'Y/g