题目内容
计算,能简便的用简便方法计算:
-
+
-
-(
-
)
5-
-
-
-(10-6)÷8.
| 8 |
| 17 |
| 7 |
| 15 |
| 26 |
| 17 |
| 8 |
| 15 |
| 5 |
| 6 |
| 7 |
| 15 |
| 5 |
| 12 |
5-
| 1 |
| 7 |
| 3 |
| 7 |
| 10 |
| 7 |
| 2 |
| 3 |
| 8 |
| 17 |
| 7 |
| 15 |
| 26 |
| 17 |
| 8 |
| 15 |
=(
| 8 |
| 17 |
| 26 |
| 17 |
| 7 |
| 15 |
| 8 |
| 15 |
=2-1,
=1;
| 5 |
| 6 |
| 7 |
| 15 |
| 5 |
| 12 |
=
| 5 |
| 6 |
| 1 |
| 20 |
=
| 47 |
| 60 |
5-
| 1 |
| 7 |
| 3 |
| 7 |
| 10 |
| 7 |
=5-(
| 1 |
| 7 |
| 3 |
| 7 |
| 10 |
| 7 |
=5-2,
=3;
| 2 |
| 3 |
=
| 2 |
| 3 |
=
| 2 |
| 3 |
| 1 |
| 2 |
=
| 1 |
| 6 |
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