问题
解答题
解方程或比例.
|
答案
(1)5x-
=5 6
,5 12
5x-
+5 6
=5 6
+5 12
,5 6
5x÷5=
÷5,15 12
x=
;1 4
(2)
=x 2
,0.15 0.6
0.6x=2×0.15,
0.6x÷0.6=0.3÷0.6,
x=0.5.
解方程或比例.
|
(1)5x-
=5 6
,5 12
5x-
+5 6
=5 6
+5 12
,5 6
5x÷5=
÷5,15 12
x=
;1 4
(2)
=x 2
,0.15 0.6
0.6x=2×0.15,
0.6x÷0.6=0.3÷0.6,
x=0.5.