题目内容
能简算的简算
(1)
|
(2)
|
(3)
| ||||||||||||||||
(4)15÷
|
(5)(
|
(6)
|
(1)
÷4×
,
=
×
×
,
=
;
(2)
÷
÷
,
=
×
×3,
=
,
=4
;
(3)
÷
+
,
=
×99+
,
=
×(99+1),
=
×100,
=20;
(4)15÷
÷
,
=15×2×
,
=45;
(5)(
-
)÷
,
=(
-
)×24,
=
×24-
×24,
=22-15,
=7;
(6)
×
+
,
=
+
,
=
.
| 8 |
| 13 |
| 5 |
| 6 |
=
| 8 |
| 13 |
| 1 |
| 4 |
| 5 |
| 6 |
=
| 5 |
| 39 |
(2)
| 8 |
| 9 |
| 4 |
| 7 |
| 1 |
| 3 |
=
| 8 |
| 9 |
| 7 |
| 4 |
=
| 14 |
| 3 |
=4
| 2 |
| 3 |
(3)
| 1 |
| 5 |
| 1 |
| 99 |
| 1 |
| 5 |
=
| 1 |
| 5 |
| 1 |
| 5 |
=
| 1 |
| 5 |
=
| 1 |
| 5 |
=20;
(4)15÷
| 1 |
| 2 |
| 2 |
| 3 |
=15×2×
| 3 |
| 2 |
=45;
(5)(
| 11 |
| 12 |
| 5 |
| 8 |
| 1 |
| 24 |
=(
| 11 |
| 12 |
| 5 |
| 8 |
=
| 11 |
| 12 |
| 5 |
| 8 |
=22-15,
=7;
(6)
| 3 |
| 7 |
| 4 |
| 9 |
| 2 |
| 3 |
=
| 4 |
| 21 |
| 2 |
| 3 |
=
| 6 |
| 7 |
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