0.89×0.25+0.11÷4 简便计算
问题描述:
0.89×0.25+0.11÷4 简便计算
答
0.89×0.25+0.11÷4
=0.89×0.25+0.11×0.25
=(0.89+0.11)×0.25
=1×0.25
=0.25