3.8x43.7+4.12+38+151x0.38的简便算式_数学解答

3.8x43.7+4.12+38+151x0.38的简便算式

人气：200 ℃　时间：2020-01-31 00:33:57

解答

3.8x43.7+4.12x38+151x0.38
=3.8x43.7+41.2x3.8+15.1x3.8
=3.8x(43.7+41.2+15.1)
=3.8x100
=380