计算:6.1-3.7-4.9+1.8
来源:学生作业学帮网 编辑:学帮网 时间:2024/06/21 01:11:18
计算:6.1-3.7-4.9+1.8
6.1-3.7-4.9+1.8
=(6.1+1.8)-4.9-3.7
=7.9-3.9-3.7
=4-3.7
=0.3
如果本题有什么不明白可以追问,
6.1-3.7-4.9+1.8
=(6.1+1.8)-4.9-3.7
=7.9-4.9-3.7
=3-3.7
=-0.7
6.1-3.7-4.9+1.8 =(6.1+1.8)-(3.7+4.9) =7.9-8.6 =-0.7