x÷34=5623x+34x=160.8x-1.5×4=18.-数学

题目简介

x÷34=5623x+34x=160.8x-1.5×4=18.-数学

题目详情

3
4
=
5
6

2
3
x+
3
4
x=
1
6

0.8x-1.5×4=18.
题型:解答题难度:中档来源:不详

答案

(1)x÷class="stub"3
4
=class="stub"5
6

class="stub"3
4
×class="stub"3
4
=class="stub"5
6
×class="stub"3
4

x=class="stub"5
8


(2)class="stub"2
3
x+class="stub"3
4
x=class="stub"1
6

class="stub"17
12
x=class="stub"1
6

class="stub"17
12
class="stub"12
17
=class="stub"1
6
×class="stub"12
17

x=class="stub"2
17


(3)0.8x-1.5×4=18,
0.8x-6=18,
0.8x-6+6=18+6,
0.8x=24,
0.8x÷0.8=24÷0.8,
x=30.

更多内容推荐