用简便方法计算:1.25×67.875+1250×0.053375

来源:学生作业学帮网 编辑:学帮网 时间:2024/05/31 06:41:45

用简便方法计算:1.25×67.875+1250×0.053375

1.25×67.875+1250×0.053375
= 1.25x67.875 + 1.25x1000x0.053375
= 1.25 x 67.875 + 1.25 x 53.375
= 1.25 x( 67.875+53.375)
= 1.25 x 100
= 125