题目内容
仔细算一算.
|
|
|
|
(1)
÷
÷
,
=
÷(
×
),
=
÷
,
=4;
(2)
×
÷
,
=
×(
×
),
=
×
,
=
;
(3)
×
×
,
=(
×
)×
,
=
×
,
=
;
(4)
×
×
,
=
×
,
=
.
| 3 |
| 8 |
| 11 |
| 48 |
| 9 |
| 22 |
=
| 3 |
| 8 |
| 11 |
| 48 |
| 9 |
| 22 |
=
| 3 |
| 8 |
| 3 |
| 32 |
=4;
(2)
| 4 |
| 13 |
| 3 |
| 10 |
| 14 |
| 13 |
=
| 3 |
| 10 |
| 4 |
| 13 |
| 13 |
| 14 |
=
| 3 |
| 10 |
| 2 |
| 7 |
=
| 3 |
| 35 |
(3)
| 7 |
| 18 |
| 1 |
| 6 |
| 6 |
| 7 |
=(
| 7 |
| 18 |
| 6 |
| 7 |
| 1 |
| 6 |
=
| 1 |
| 3 |
| 1 |
| 6 |
=
| 1 |
| 18 |
(4)
| 26 |
| 72 |
| 8 |
| 15 |
| 9 |
| 10 |
=
| 26 |
| 135 |
| 9 |
| 10 |
=
| 13 |
| 75 |
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