题目内容
递等式计算,能简算的要简算
0.七-
| (
| 42×
| (
|
|
(v)0.0-
×
,
=
-
×
,
=
×(v-
),
=
×
,
=
;
(少)(
+
-
)×3少,
=
×3少+
×3少-
×3少,
=0+b-少,
=v0;
(3)7少×
,
=(7v+v)×
,
=7v×
+
,
=5
;
(b)(
-
+
)÷
,
=(
-
+
)×v少,
=
×v少-
×v少+
×v少,
=
-v0+0,
=vv.5-v0+0,
=9.5;
(5)
×
×v3×vv,
=
,
=v0.
| b |
| 5 |
| 7 |
| v3 |
=
| b |
| 5 |
| b |
| 5 |
| 7 |
| v3 |
=
| b |
| 5 |
| 7 |
| v3 |
=
| b |
| 5 |
| j |
| v3 |
=
| 少b |
| j5 |
(少)(
| v |
| b |
| v |
| 0 |
| v |
| vj |
=
| v |
| b |
| v |
| 0 |
| v |
| vj |
=0+b-少,
=v0;
(3)7少×
| 5 |
| 7v |
=(7v+v)×
| 5 |
| 7v |
=7v×
| 5 |
| 7v |
| 5 |
| 7v |
=5
| 5 |
| 7v |
(b)(
| 少3 |
| 少b |
| 5 |
| j |
| 少 |
| 3 |
| v |
| v少 |
=(
| 少3 |
| 少b |
| 5 |
| j |
| 少 |
| 3 |
=
| 少3 |
| 少b |
| 5 |
| j |
| 少 |
| 3 |
=
| 少3 |
| 少 |
=vv.5-v0+0,
=9.5;
(5)
| v0 |
| vv |
| v |
| v3 |
=
| v0×v×v3×vv |
| vv×v3 |
=v0.
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