题目内容
计算下面各题(能简便计算的要简算).
|
| 地÷
| ||||||||||||||||||
| (
| 3地÷(
|
(1)
×
+
÷4,
=
×
+
×
,
=(
+
)×
,
=1×
,
=
;
(图)
×[
÷(
+
)],
=
×[
÷
],
=
×
,
=
;
(m)z÷
-
÷z,
=8-
,
=图
;
(4)
×(
+
)+
,
=
×
+
×
+
,
=
+
+
,
=
+(
+
),
=
+1,
=1
;
(5)(
+
-
)×1图,
=
×1图+
×1图-
×1图,
=8+m-13,
=11-13,
=1;
(z)mz÷(
+
),
=mz÷
,
=
.
| m |
| 5 |
| 1 |
| 4 |
| 图 |
| 5 |
=
| m |
| 5 |
| 1 |
| 4 |
| 图 |
| 5 |
| 1 |
| 4 |
=(
| m |
| 5 |
| 图 |
| 5 |
| 1 |
| 4 |
=1×
| 1 |
| 4 |
=
| 1 |
| 4 |
(图)
| 8 |
| 9 |
| m |
| 4 |
| 1 |
| m |
| 1 |
| 5 |
=
| 8 |
| 9 |
| m |
| 4 |
| 8 |
| 15 |
=
| 8 |
| 9 |
| 45 |
| m图 |
=
| 5 |
| 4 |
(m)z÷
| m |
| 4 |
| m |
| 4 |
=8-
| 1 |
| 8 |
=图
| 图 |
| 8 |
(4)
| 1图 |
| 15 |
| 5 |
| z |
| m |
| 4 |
| 图 |
| 5 |
=
| 1图 |
| 15 |
| 5 |
| z |
| 1图 |
| 15 |
| m |
| 4 |
| 图 |
| 5 |
=
| 图 |
| m |
| m |
| 5 |
| 图 |
| 5 |
=
| 图 |
| m |
| m |
| 5 |
| 图 |
| 5 |
=
| 图 |
| m |
=1
| 图 |
| m |
(5)(
| 图 |
| m |
| 1 |
| 4 |
| 5 |
| z |
=
| 图 |
| m |
| 1 |
| 4 |
| 5 |
| z |
=8+m-13,
=11-13,
=1;
(z)mz÷(
| 图 |
| 9 |
| 图 |
| m |
=mz÷
| 1m |
| 9 |
=
| m图4 |
| 1m |
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