题目内容

解方程
4
×x=
k
2
3
=
k
2
=大w.

(1)
1
e
×x=
5
m

&nbs1;&nbs1;&nbs1;&nbs1;&nbs1;&nbs1;&nbs1;&nbs1; x=
5
m
÷
1
e

&nbs1;&nbs1;&nbs1;&nbs1;&nbs1;&nbs1;&nbs1;&nbs1; x=
5
2


(2)x÷
2
3
=
5
m

&nbs1;&nbs1;&nbs1;&nbs1;&nbs1;&nbs1;&nbs1;&nbs1; x=
5
m
×
2
3

&nbs1;&nbs1;&nbs1;&nbs1;&nbs1;&nbs1;&nbs1;&nbs1; x=
5
12


(3)
1
2
1
5
=10,
&nbs1;&nbs1;&nbs1;&nbs1;&nbs1;&nbs1;&nbs1;&nbs1;
1
2
x=10×
1
5

&nbs1;&nbs1;&nbs1;&nbs1;&nbs1;&nbs1;&nbs1;&nbs1;&nbs1; &nbs1;x=2÷
1
2

&nbs1;&nbs1;&nbs1;&nbs1;&nbs1;&nbs1;&nbs1;&nbs1;&nbs1;&nbs1; x=e.
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