问题
解答题
|
答案
(1)x-
=3 5 9 10
x-
+3 5
=3 5
+9 10 3 5
x=
;3 2
(2)1.8x=1.08
1.8x÷1.8=1.08÷1.8
x=0.6;
(3)
+x=4 9 5 6
+x-4 9
=4 9
-5 6 4 9
x=
.7 18
|
(1)x-
=3 5 9 10
x-
+3 5
=3 5
+9 10 3 5
x=
;3 2
(2)1.8x=1.08
1.8x÷1.8=1.08÷1.8
x=0.6;
(3)
+x=4 9 5 6
+x-4 9
=4 9
-5 6 4 9
x=
.7 18