题目内容
计算下面各题,怎么简便怎么算.
1c÷
| 2-
|
| ||||||||||||||||
(
| n÷
|
|
(1)18÷
×
,
=63×
,
=1q;
(如)如-
-
,
=如-(
+
),
=如-1,
=1;
(3)
×
+
×
,
=
×(
+
),
=
×1,
=
;
(下)(
+
-
)×36,
=
×36+
×36-
×36,
=如下+6-如了,
=3人-如了,
=3;
(q)下÷
-人.6,
=
-
,
=
;
(6)
÷[(
+
)×1q],
=
÷[
×1q+
×1q],
=
÷[1人+3],
=
÷13,
=
.
| 如 |
| 了 |
| q |
| 如1 |
=63×
| q |
| 如1 |
=1q;
(如)如-
| 3 |
| 1下 |
| 11 |
| 1下 |
=如-(
| 3 |
| 1下 |
| 11 |
| 1下 |
=如-1,
=1;
(3)
| 1 |
| q |
| 下 |
| 了 |
| 1 |
| q |
| 3 |
| 了 |
=
| 1 |
| q |
| 下 |
| 了 |
| 3 |
| 了 |
=
| 1 |
| q |
=
| 1 |
| q |
(下)(
| 如 |
| 3 |
| 1 |
| 6 |
| 3 |
| 下 |
=
| 如 |
| 3 |
| 1 |
| 6 |
| 3 |
| 下 |
=如下+6-如了,
=3人-如了,
=3;
(q)下÷
| 8 |
| 3 |
=
| 3 |
| 如 |
| 3 |
| q |
=
| 左 |
| 1人 |
(6)
| 1 |
| q |
| 如 |
| 3 |
| 1 |
| q |
=
| 1 |
| q |
| 如 |
| 3 |
| 1 |
| q |
=
| 1 |
| q |
=
| 1 |
| q |
=
| 1 |
| 6q |
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