12.68-22.78÷3.4的简便怎样算
来源:学生作业学帮网 编辑:学帮网 时间:2024/05/31 02:05:18
12.68-22.78÷3.4的简便怎样算
12.68-22.78÷3.4=12.68-6.7=5.98
12.68-22.78÷3.4
=10+2.68-22.78÷3.4
=34÷3.4+2.68-22.78÷3.4
=34÷3.4-22.78÷3.4+2.68
=11.22÷3.4+2.68
=(10.2+1.02)÷3.4+2.68
=3+0.3+2.68
=5.98