(1)(27+325)÷15+13=______;(2)若13x-44×5%=125x,则x=______.-数学

题目简介

(1)(27+325)÷15+13=______;(2)若13x-44×5%=125x,则x=______.-数学

题目详情

(1)(
2
7
+
3
25
)÷
1
5
+
1
3
=______;
(2)若
1
3
x-44×5%=
1
25
x,则x=______.
题型:填空题难度:偏易来源:不详

答案


(1)(class="stub"2
7
+class="stub"3
25
)÷class="stub"1
5
+class="stub"1
3

=class="stub"71
175
÷class="stub"1
5
+class="stub"1
3

=class="stub"71
35
+class="stub"1
3

=class="stub"248
105


(2)class="stub"1
3
x-44×5%=class="stub"1
25
x,
class="stub"1
3
x-2.2=class="stub"1
25
x,
class="stub"1
3
x-class="stub"1
25
x-2.2=class="stub"1
25
x-class="stub"1
25
x,
class="stub"22
75
x-2.2=0,
class="stub"22
75
x-2.2+2.2=0+2.2,
class="stub"22
75
x=2.2,
class="stub"22
75
class="stub"22
75
=2.2÷class="stub"22
75

x=7.5.
故答案为:class="stub"248
105
,7.5.

更多内容推荐