36.728-(6.728+6.8)用简便计算
问题描述:
36.728-(6.728+6.8)用简便计算
答
36.728-(6.728+6.8)
=36.728-6.728-6.8
=30-6.8
=23.238.29+4.3-5.7简便无法简便是不是38.29-4.3-5.7是38.29+4.3-5.7