题目内容
| 能简算要简算 5÷
|
| ||||||||||||||
(
| 33
|
(1)5÷
-
÷5,
=9-
,
=8
;
(2)
×
+
,
=
×(
+1),
=
×
,
=
;
(3)(
+
)÷(
-
)×
,
=
÷
×
,
=
×
,
=
;
(4)33
×
,
=(32+
)×
,
=32×
+
×
,
=2+
,
=2
.
| 5 |
| 9 |
| 5 |
| 9 |
=9-
| 1 |
| 9 |
=8
| 8 |
| 9 |
(2)
| 3 |
| 7 |
| 1 |
| 6 |
| 3 |
| 7 |
=
| 3 |
| 7 |
| 1 |
| 6 |
=
| 3 |
| 7 |
| 7 |
| 6 |
=
| 1 |
| 2 |
(3)(
| 2 |
| 5 |
| 2 |
| 3 |
| 5 |
| 6 |
| 3 |
| 4 |
| 1 |
| 2 |
=
| 16 |
| 15 |
| 1 |
| 12 |
| 1 |
| 2 |
=
| 64 |
| 5 |
| 1 |
| 2 |
=
| 32 |
| 5 |
(4)33
| 7 |
| 9 |
| 1 |
| 16 |
=(32+
| 16 |
| 9 |
| 1 |
| 16 |
=32×
| 1 |
| 16 |
| 16 |
| 9 |
| 1 |
| 16 |
=2+
| 1 |
| 9 |
=2
| 1 |
| 9 |
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