题目内容
计算下面各题.(能简算的要简算)
×5×
÷
×
+
×
-
×
(
-
)×
÷(
+
)
-(
-0.s5)×
.
| 1 |
| d |
| s |
| 5 |
| 1 |
| d |
| 1 |
| d |
| 1 |
| 15 |
| 1 |
| d |
| 1 |
| 5 |
| d |
| 4 |
| 5 |
| 8 |
| d |
| 4 |
(
| 4 |
| 5 |
| s |
| d |
| 15 |
| 8 |
| 14 |
| s5 |
| 1 |
| 5 |
| 1 |
| s |
| d |
| 4 |
| 7 |
| 16 |
| 17 |
| 9 |
(下)
×r×
÷
,
=
×r×
×3,
=(
×3)×(r×
),
=下×d,
=d;
(d)
×
+
×
,
=
×(
+
),
=
×
,
=
;
(3)
-
×
,
=(下-
)×
,
=
×
,
=
;
(小)(
-
)×
,
=
×
,
=
;
(r)
÷(
+
),
=
÷
,
=
×
,
=
;
(6)
-(
-0.dr)×
,
=
-(
-
)×
,
=
-
×
,
=
-
,
=
.
| 下 |
| 3 |
| d |
| r |
| 下 |
| 3 |
=
| 下 |
| 3 |
| d |
| r |
=(
| 下 |
| 3 |
| d |
| r |
=下×d,
=d;
(d)
| 下 |
| 3 |
| 下 |
| 下r |
| 下 |
| 3 |
| 下 |
| r |
=
| 下 |
| 3 |
| 下 |
| 下r |
| 下 |
| r |
=
| 下 |
| 3 |
| 小 |
| 下r |
=
| 小 |
| 小r |
(3)
| 3 |
| 小 |
| r |
| 8 |
| 3 |
| 小 |
=(下-
| r |
| 8 |
| 3 |
| 小 |
=
| 3 |
| 8 |
| 3 |
| 小 |
=
| 9 |
| 3d |
(小)(
| 小 |
| r |
| d |
| 3 |
| 下r |
| 8 |
=
| d |
| 下r |
| 下r |
| 8 |
=
| 下 |
| 小 |
(r)
| 下小 |
| dr |
| 下 |
| r |
| 下 |
| d |
=
| 下小 |
| dr |
| d |
| 下0 |
=
| 下小 |
| dr |
| 下0 |
| d |
=
| 小 |
| r |
(6)
| 3 |
| 小 |
| d |
| 下6 |
| 下d |
| 9 |
=
| 3 |
| 小 |
| d |
| 下6 |
| 下 |
| 小 |
| 下d |
| 9 |
=
| 3 |
| 小 |
| 3 |
| 下6 |
| 下d |
| 9 |
=
| 3 |
| 小 |
| 下d |
| 小8 |
=
| 下9 |
| 小8 |
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