解方程.x-13x=4512+25%x=58.-数学

题目简介

解方程.x-13x=4512+25%x=58.-数学

题目详情

解方程.
x-
1
3
x=
4
5

1
2
+25%x=
5
8
题型:解答题难度:中档来源:不详

答案

(1)x-class="stub"1
3
x=class="stub"4
5

(1-class="stub"1
3
)x=class="stub"4
5

class="stub"2
3
x=class="stub"4
5

class="stub"2
3
class="stub"3
2
=class="stub"4
5
×class="stub"3
2

x=class="stub"6
5


(2)class="stub"1
2
+25%x=class="stub"5
8

class="stub"1
2
+class="stub"1
4
x=class="stub"5
8

class="stub"1
2
+class="stub"1
4
x-class="stub"1
2
=class="stub"5
8
-class="stub"1
2

class="stub"1
4
x=class="stub"1
8

class="stub"1
4
x×4=class="stub"1
8
×4,
x=class="stub"1
2

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