
解方程.5x=13.5 ...
展开全部
5x=13.5
5x÷5=13.5÷5
x=2.7;
x+
x=75
x÷
=75÷
x=60;
0.36x+2x=0.64
2.36x÷2.36=0.64÷2.36
x=
;
x-
=
x?
+
=
+
x=
.
5x÷5=13.5÷5
x=2.7;
3 |
4 |
1 |
2 |
5 |
4 |
5 |
4 |
5 |
4 |
x=60;
0.36x+2x=0.64
2.36x÷2.36=0.64÷2.36
x=
16 |
59 |
x-
2 |
5 |
3 |
15 |
x?
2 |
5 |
2 |
5 |
3 |
15 |
2 |
5 |
x=
3 |
5 |
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