16.78-6.5+3.22-3.5

来源:学生作业帮助网 编辑:作业帮 时间:2024/11/15 10:26:33

16.78-6.5+3.22-3.5
16.78-6.5+3.22-3.5

16.78-6.5+3.22-3.5
16.78-6.5+3.22-3.5
=16.78+3.22-(6.5+3.5)
=20-10
=10