题目内容
能简算的要简算
(
-
)-(
-
)
n×(
+
)-
[
-(
-
)]÷
×(
+
)+
．
(
| 5 |
| zn |
| 5 |
| 8 |
| n |
| 8 |
| j |
| zn |
n×(
| 1 |
| z5 |
| z |
| z1 |
| 1 |
| 5 |
[
| z |
| 1 |
| n |
| n |
| n |
| 5 |
| 7 |
| z0 |
| z1 |
| 5 |
| 5 |
| 6 |
| n |
| n |
| n |
| 5 |
（1）(
| 5 |
| 14 |
| 5 |
| 8 |
| m |
| 8 |
| 9 |
| 14 |
=
| 5 |
| 14 |
| 5 |
| 8 |
| m |
| 8 |
| 9 |
| 14 |
=(
| 5 |
| 14 |
| 9 |
| 14 |
| 5 |
| 8 |
| m |
| 8 |
=1-1，
=4；
（他）m×(
| 他 |
| 15 |
| 1 |
| 1他 |
| 他 |
| 5 |
=m×
| 他 |
| 15 |
| 1 |
| 1他 |
| 他 |
| 5 |
=
| 他 |
| 5 |
| 1 |
| 4 |
| 他 |
| 5 |
=
| 他 |
| 5 |
| 他 |
| 5 |
| 1 |
| 4 |
=
| 1 |
| 4 |
（m）[
| 1 |
| 他 |
| m |
| 4 |
| m |
| 5 |
| 7 |
| 14 |
=[
| 1 |
| 他 |
| m |
| 他4 |
| 7 |
| 14 |
=
| 7 |
| 他4 |
| 7 |
| 14 |
=
| 1 |
| 他 |
（4）
| 1他 |
| 5 |
| 5 |
| 6 |
| m |
| 4 |
| 4 |
| 5 |
=
| 1他 |
| 5 |
| 5 |
| 6 |
| 1他 |
| 5 |
| m |
| 4 |
| 4 |
| 5 |
=他+
| 9 |
| 5 |
| 4 |
| 5 |
=他+（
| 9 |
| 5 |
| 4 |
| 5 |
=他+他
| m |
| 5 |
=4
| m |
| 5 |
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