2.33x0.5x0.4x5的简便方法2.33×0.5×0.4×5的简便方法如下:2.33×0.5×0.4×5=2.33x(0.5×5)x0.4=2.33×2.5×0.4=2.33x(2....赞(0)阅读(121)