Question

7.2-1.2x=2.4,这道题怎么解方程

Answer 1

7.2-1,2x=2,4
1.2x=7.2-2.4
1.2x=4.5
x=4.5÷1.2
x=3.75

Answer 2

1.2x=7.2-2.4
1.2x=4.8
x=4.8÷1.2
x=4

Answer 3

1.2x=2.4+7.2
x =9.6÷1.2
x =6

追答

7.2-2.4=1.2x
4.8=1.2x
4.8÷1.2=x
x=4

Answer 4

 

追答

希望能帮你

Answer 5

 

追答

不知道