用简便方法计算 1.25×67.875+125×6.7875+1250×0.053375
来源:学生作业学帮网 编辑:学帮网 时间:2024/05/15 10:05:08
用简便方法计算 1.25×67.875+125×6.7875+1250×0.053375
1.25×67.875+125×6.7875+1250×0.053375
=1.25×67.875+1.25×678.75+1.25×53.375
=1.25×(67.875+678.75+53.375)
=1.25×800
=1000