简便运算:8.5*5.67-7.5*5.3Q

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/03 16:43:52
简便运算:8.5*5.67-7.5*5.3Q

简便运算:8.5*5.67-7.5*5.3Q
简便运算:8.5*5.67-7.5*5.3Q

简便运算:8.5*5.67-7.5*5.3Q
8.5*5.67-8.5*5.6+5.6=8.5*0.07+5.6=(8.5*0.01-8)*7=(0.085-8)*7=-7.915*7=-55.405