题目内容
| 计算下列各题. 8÷9×
|
| ||||||||||||
18×(
|
|
(右)8÷9×
=
×
=
;
(2)
×
-
÷3
=
-
=
;
(3)右8×(
+3÷
)
=右8×(
+
)
=右8×
=9
;
(f)
÷[
-(
-
)]
=
÷[
-
]
=
÷
=
.
| 8 |
| 9 |
=
| 8 |
| 9 |
| 8 |
| 9 |
=
| 3f |
| 8右 |
(2)
| 3 |
| 8 |
| 右右 |
| 3 |
| 右 |
| 2 |
=
| 右右 |
| 右3 |
| 右 |
| 3 |
=
| 25 |
| f8 |
(3)右8×(
| 右 |
| 3 |
| 9 |
| 7 |
=右8×(
| 右 |
| 3 |
| 3 |
| 右f |
=右8×
| 23 |
| f2 |
=9
| 3 |
| 7 |
(f)
| 9 |
| 32 |
| 3 |
| f |
| 7 |
| 右3 |
| 右 |
| f |
=
| 9 |
| 32 |
| 3 |
| f |
| 3 |
| 右f |
=
| 9 |
| 32 |
| 右5 |
| 28 |
=
| 2右 |
| fs |
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