Question

解方程，全部

Answer 1

 

追答

 

Answer 2

X=1.5 X=5.5 X=0.3 X=3.3 X=2.4 X=13.6 X=30 X=75

Answer 3

竖着1.5 2.5 0.3 3.3 2.4 1.6 30 75

追答

第二个5.5不好意思

1.5 5.5 0.3 3.3 2.4 13.6 30 75

Answer 4

竖着答

追答

1.5/5.5/0.3/3.3

2.5/13.6/30/75