问3.8x2.7+38x0.73简便算法怎么算?请教算法_数学解答

问3.8x2.7+38x0.73简便算法怎么算?
请教算法

人气：272 ℃　时间：2020-06-19 00:59:54

解答

3.8x2.7+38x0.73
=3.8x2.7+(3.8x10)x0.73
=3.8x2.7+3.8x(10x0.73)
=3.8x2.7+3.8x7.3
=3.8x(2.7+7.3)
=3.8x10
=38