你好,解答如下:
18.7*(100-5)
=1870-93.5
=1776.5
所以答案为1776.5。
18.7x95
=18.7x(100-5)
=18.7x100-18.7x5
=1870-93.5
=1870-(100-6.5)
=1870-100+6.5
=1776.5
18.7×95
=18.7×(100-5)
=18.7×100-18.7×5
=1870-93.5
=1870-100+6.5
=1776.5
因为95=100-5
所以18.7×95=18.7×(100-5)
=1870-93.5
=1776.5