解方程:16+x=34X-13+16=56x-(16+512)=7244x-38=58.-数学

题目简介

解方程:16+x=34X-13+16=56x-(16+512)=7244x-38=58.-数学

题目详情

解方程:
1
6
+x=
3
4

X-
1
3
+
1
6
=
5
6

x-(
1
6
+
5
12
)=
7
24

4x-
3
8
=
5
8
题型:解答题难度:中档来源:不详

答案

(1)class="stub"1
6
+x=class="stub"3
4

class="stub"1
6
+x-class="stub"1
6
=class="stub"3
4
-class="stub"1
6

x=class="stub"7
12


(2)X-class="stub"1
3
+class="stub"1
6
=class="stub"5
6

X-(class="stub"1
3
-class="stub"1
6
)=class="stub"5
6

X-class="stub"1
6
=class="stub"5
6

X-class="stub"1
6
+class="stub"1
6
=class="stub"5
6
+class="stub"1
6

X=1;

(3)x-(class="stub"1
6
+class="stub"5
12
)=class="stub"7
24

x-class="stub"7
12
=class="stub"7
24

x-class="stub"7
12
+class="stub"7
12
=class="stub"7
24
+class="stub"7
12

x=class="stub"7
8


(4)4x-class="stub"3
8
=class="stub"5
8

4x-class="stub"3
8
+class="stub"3
8
=class="stub"5
8
+class="stub"3
8

4x=1,
4x÷4=1÷4,
x=class="stub"1
4

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