题目内容
计算下面各题.(能简算的要简算)
×
÷
[
-(
-
)]÷
×
+
÷6
5×4×(
×
)
| 7 |
| 16 |
| 12 |
| 35 |
| 3 |
| 20 |
[
| 7 |
| 8 |
| 5 |
| 16 |
| 1 |
| 4 |
| 26 |
| 27 |
| 7 |
| 4 |
| 5 |
| 6 |
| 7 |
| 4 |
5×4×(
| 1 |
| 5 |
| 3 |
| 4 |
(1)
| 7 |
| 16 |
| 12 |
| 35 |
| 3 |
| 20 |
=
| 3 |
| 20 |
| 3 |
| 20 |
=1;
(2)[
| 7 |
| 8 |
| 5 |
| 16 |
| 1 |
| 4 |
| 26 |
| 27 |
=[
| 7 |
| 8 |
| 1 |
| 16 |
| 26 |
| 27 |
=
| 13 |
| 16 |
| 26 |
| 27 |
=
| 27 |
| 32 |
(3)
| 7 |
| 4 |
| 5 |
| 6 |
| 7 |
| 4 |
=
| 7 |
| 4 |
| 5 |
| 6 |
| 7 |
| 4 |
| 1 |
| 6 |
=
| 7 |
| 4 |
| 5 |
| 6 |
| 1 |
| 6 |
=
| 7 |
| 4 |
=
| 7 |
| 4 |
(4)5×4×(
| 1 |
| 5 |
| 3 |
| 4 |
=(5×
| 1 |
| 5 |
| 3 |
| 4 |
=1×3,
=3.
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