Question

0.5ⅹ0.9x0.6的简便方法？

Answer 1

0.5ⅹ0.9x0.6的简便方法：
0.5ⅹ0.9x0.6
=0.5x0.6x0.9
=0.3x0.9
=0.27

Answer 2

等于0.5×0.6×0.9=0.3×0.9=0.27。