问题
解答题
解方程.
|
答案
(1)0.25x+3.6=4.6,
0.25x+3.6-3.6=4.6-3.6,
0.25x=1,
0.25x÷0.25=1÷0.25,
x=4;
(2)x-
=5 12
,3 8
x-
+5 12
=5 12
+3 8
,5 12
x=
.19 24
解方程.
|
(1)0.25x+3.6=4.6,
0.25x+3.6-3.6=4.6-3.6,
0.25x=1,
0.25x÷0.25=1÷0.25,
x=4;
(2)x-
=5 12
,3 8
x-
+5 12
=5 12
+3 8
,5 12
x=
.19 24