65.25/75+2.98*99的简便算法
来源:学生作业帮助网 编辑:作业帮 时间:2024/05/28 21:16:03
65.25/75+2.98*99的简便算法
65.25/75+2.98*99的简便算法
65.25/75+2.98*99的简便算法
65.25/75+2.98*99
=65.25÷5÷15+2.98*(100-1)
=13.05÷5÷3+2.98*100-2.98
=2.61÷3+298-2.98
=0.87-2.98+298
=298-2.11
=295.89