题目内容
计算下面各题(能简算的要简算).
+24×(
-
)(
+
-
)÷
×
+
÷4.
| 2 |
| 3 |
| 7 |
| 8 |
| 5 |
| 8 |
| 1 |
| 4 |
| 5 |
| 6 |
| 1 |
| 3 |
| 1 |
| 12 |
| 17 |
| 24 |
| 3 |
| 4 |
| 17 |
| 24 |
(1)
+24×(
-
)
=
+24×
=
+6
=6
(2)(
+
-
)÷
=(
+
-
)×12
=
×12+
×12-
×12
=3+10-4
=9
(3)
×
+
÷4
=
×
+
×
=
×(
+
)
=
| 2 |
| 3 |
| 7 |
| 8 |
| 5 |
| 8 |
=
| 2 |
| 3 |
| 1 |
| 4 |
=
| 2 |
| 3 |
=6
| 2 |
| 3 |
(2)(
| 1 |
| 4 |
| 5 |
| 6 |
| 1 |
| 3 |
| 1 |
| 12 |
=(
| 1 |
| 4 |
| 5 |
| 6 |
| 1 |
| 3 |
=
| 1 |
| 4 |
| 5 |
| 6 |
| 1 |
| 3 |
=3+10-4
=9
(3)
| 17 |
| 24 |
| 3 |
| 4 |
| 17 |
| 24 |
=
| 17 |
| 24 |
| 3 |
| 4 |
| 17 |
| 24 |
| 1 |
| 4 |
=
| 17 |
| 24 |
| 3 |
| 4 |
| 1 |
| 4 |
=
| 17 |
| 24 |
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