问题
解答题
|
答案
(1)37%x-15%=55,
37%x-15%+15%=55+15%,
37%x=55.15,
37%x÷37%=55.15÷37%,
x=
;5515 37
(2)
x+4 5
=1 4
,1 2
x+4 5
-1 4
=1 4
-1 2
,1 4
x=4 5
,1 4
x÷4 5
=4 5
÷1 4
,4 5
x=
.5 16
|
(1)37%x-15%=55,
37%x-15%+15%=55+15%,
37%x=55.15,
37%x÷37%=55.15÷37%,
x=
;5515 37
(2)
x+4 5
=1 4
,1 2
x+4 5
-1 4
=1 4
-1 2
,1 4
x=4 5
,1 4
x÷4 5
=4 5
÷1 4
,4 5
x=
.5 16