题目内容
(1)(
+
)÷
+
=______;
(2)若
x=52×50%+
x,则x=______.
| 2 |
| 5 |
| 5 |
| 8 |
| 3 |
| 5 |
| 2 |
| 3 |
(2)若
| 1 |
| 2 |
| 8 |
| 15 |
(1)(
+
)÷
+
,
=
÷
+
,
=
×
+
,
=
+
,
=
,
=2
;
(2)若
x=52×50%+
x,
x=52×0.5+
x,
x-
x=26,
-
x=26,
-
x×30=26×30,
x=-780;
故答案为:2
,-780.
| 2 |
| 5 |
| 5 |
| 8 |
| 3 |
| 5 |
| 2 |
| 3 |
=
| 41 |
| 40 |
| 3 |
| 5 |
| 2 |
| 3 |
=
| 41 |
| 40 |
| 5 |
| 3 |
| 2 |
| 3 |
=
| 41 |
| 24 |
| 16 |
| 24 |
=
| 57 |
| 24 |
=2
| 3 |
| 8 |
(2)若
| 1 |
| 2 |
| 8 |
| 15 |
| 1 |
| 2 |
| 8 |
| 15 |
| 1 |
| 2 |
| 8 |
| 15 |
-
| 1 |
| 30 |
-
| 1 |
| 30 |
x=-780;
故答案为:2
| 3 |
| 8 |
练习册系列答案
相关题目