用简便方法计算 1.25×67.875+125×6.7875+1250×0.053375
来源：学生学帮网 编辑：学帮网 时间：2024/06/01 02:29:20
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