题目内容
脱式计算.
(1)6-
×
(2)32-(
+
)
(3)
+(
+
)×
-
(4)(
-
×
)÷
+
.
(1)6-
| 7 |
| 2 |
| 2 |
| 3 |
(2)32-(
| 1 |
| 3 |
| 1 |
| 5 |
(3)
| 7 |
| 12 |
| 1 |
| 2 |
| 1 |
| 4 |
| 1 |
| 3 |
| 5 |
| 6 |
(4)(
| 5 |
| 9 |
| 2 |
| 3 |
| 3 |
| 4 |
| 5 |
| 18 |
| 1 |
| 6 |
(1)6-
| 7 |
| 2 |
| 2 |
| 3 |
=6-
| 7 |
| 3 |
=3
| 2 |
| 3 |
(2)32-(
| 1 |
| 3 |
| 1 |
| 5 |
=32-
| 8 |
| 15 |
=31
| 7 |
| 15 |
(3)
| 7 |
| 12 |
| 1 |
| 2 |
| 1 |
| 4 |
| 1 |
| 3 |
| 5 |
| 6 |
=
| 7 |
| 12 |
| 3 |
| 4 |
| 1 |
| 3 |
| 5 |
| 6 |
=
| 7 |
| 12 |
| 1 |
| 4 |
| 5 |
| 6 |
=
| 5 |
| 6 |
| 5 |
| 6 |
=0;
(4)
| 5 |
| 9 |
| 2 |
| 3 |
| 3 |
| 4 |
=
| 5 |
| 9 |
| 1 |
| 2 |
=
| 1 |
| 18 |
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