问题
解答题
|
答案
-3 5
+1 6 1 2
=
+13 30 15 30
=
;14 15
+4 9
+5 7 5 9
=
+4 9
+5 9 5 7
=1+5 7
=1
;5 7
1-
-3 8 5 8
=
-5 8 5 8
=0;
+3 7
-1 2 3 14
=
+6 14
-7 14 3 14
=
;5 7
= = |
1 |
2 |
1 |
4 |
1 |
8 |
1 |
16 |
=
+8 16
+4 16
+2 16 1 16
=
.15 16