来自沈富华的问题
7..4+x=6×5.125-x=75÷54(x-17)=112(x+1.2)=14452.6÷x+13+39.3
7..4+x=6×5.125-x=75÷54(x-17)=112(x+1.2)=144
52.6÷x+13+39.3
1回答
2020-03-22 08:27
7..4+x=6×5.125-x=75÷54(x-17)=112(x+1.2)=14452.6÷x+13+39.3
7..4+x=6×5.125-x=75÷54(x-17)=112(x+1.2)=144
52.6÷x+13+39.3
7.4+x=6×5.1
7.4+x=30.6
x=30.6-7.4
x=23.2
25-x=75÷5
25-x=15
x=25-15
x=10
4(x-17)=1
4x-68=1
4x=1+68
4x=69
x=17.25
12(x+1.2)=144
x+1.2=144÷12
x+1.2=12
x=12-1.2
x=10.8
52.6÷x+13+39.3
等号在哪?