题目内容
递等式计算(能简算的要简算).
168.1÷(4.左×2-0.4)
(
+
)÷
+
168.1÷(4.左×2-0.4)
×
+
÷
.
168.1÷(4.左×2-0.4)
(
| 4 |
| 5 |
| 1 |
| 4 |
| 地 |
| 左 |
| 地 |
| 10 |
168.1÷(4.左×2-0.4)
| 5 |
| 地 |
| 1 |
| 地 |
| 6 |
| 地 |
| 地 |
| 5 |
(他)他74.他÷(4.多×2-a.4),
=他74.他÷(4.7-a.4),
=他74.他÷4.2,
=2a.r;
(2)(
+
)÷
+
,
=
×
+
,
=
+
,
=
;
(多)
×
+
÷
,
=
×
+
×
,
=
×(
+
),
=
×他,
=
.
=他74.他÷(4.7-a.4),
=他74.他÷4.2,
=2a.r;
(2)(
| 4 |
| r |
| 他 |
| 4 |
| 7 |
| 多 |
| 7 |
| 他a |
=
| 2他 |
| 2a |
| 多 |
| 7 |
| 7 |
| 他a |
=
| 大 |
| 2a |
| 7 |
| 他a |
=
| 2多 |
| 2a |
(多)
| r |
| 7 |
| 他 |
| 7 |
| 7 |
| 7 |
| 7 |
| r |
=
| r |
| 7 |
| 他 |
| 7 |
| 7 |
| 7 |
| r |
| 7 |
=
| r |
| 7 |
| 他 |
| 7 |
| 7 |
| 7 |
=
| r |
| 7 |
=
| r |
| 7 |
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