解方程,就一道3×7÷4x=2.1

来源:学生作业帮助网 编辑:六六作业网 时间:2024/12/24 11:48:14
解方程,就一道3×7÷4x=2.1解方程,就一道3×7÷4x=2.1解方程,就一道3×7÷4x=2.1解3×7÷4x=2.121÷4x=2.14x=21÷2.14x=10x=2.5x=2.521÷4x

解方程,就一道3×7÷4x=2.1
解方程,就一道
3×7÷4x=2.1

解方程,就一道3×7÷4x=2.1
解 3×7÷4x=2.1
21÷4x=2.1
4x=21÷2.1
4x=10
x=2.5

x=2.5

21÷4x=2.1
4x=21÷2.1=10
x=10÷4
x=2.5

3×7÷4x=2.1
21÷4x=2.1
4x=21÷2.1
4x=10
x=2.5

21÷4x=2.1
21÷2.1=4x
10=4x
10÷4=x
2.5=x
x=2.5