1.25×0.7+1.25×1.2+0.125×81简便运算

来源:学生作业帮助网 编辑:作业帮 时间:2024/04/28 10:19:29
1.25×0.7+1.25×1.2+0.125×81简便运算

1.25×0.7+1.25×1.2+0.125×81简便运算
1.25×0.7+1.25×1.2+0.125×81简便运算

1.25×0.7+1.25×1.2+0.125×81简便运算
1.25×0.7+1.25×1.2+0.125×81
=1.25×0.7+1.25×1.2+1.25×8.1
=1.25×(0.7+1.2+8.1)
=1.25×10
=12.5

216.675

(0.7十1.2十8.1)X1.25
=12.5