问题
解答题
|
答案
(1)
+x=14 5
+x-4 5
=1-4 5 4 5
x=
;1 5
(2)x-
=5 8 3 4
x-
+5 8
=5 8
+3 4 5 8
x=
;11 8
(3)3x-
=1 3 2 3
3x-
+1 3
=1 3
+2 3 1 3
3x=1
3x÷3=1÷3
x=
.1 3
|
(1)
+x=14 5
+x-4 5
=1-4 5 4 5
x=
;1 5
(2)x-
=5 8 3 4
x-
+5 8
=5 8
+3 4 5 8
x=
;11 8
(3)3x-
=1 3 2 3
3x-
+1 3
=1 3
+2 3 1 3
3x=1
3x÷3=1÷3
x=
.1 3