1.566.8+2.41.56+9.2*0.44

分类: 作业答案 • 2021-12-20 12:13:05

问题描述：

1.56*6.8+2.4*1.56+9.2*0.44

答

1.56*6.8+2.4*1.56+9.2*0.44
=1.56*(6.8+2.4)+9.2*0.44
=1.56*9.2+9.2*0.44
=9.2*(1.56+044)
=9.2*2
=18.4

1.56*6.8+2.4*1.56+9.2*0.44