题目内容
计算,能简算的要简算.
|
|
| ||||||||||||||||||
(
| (0.75-
| (4-(
|
(1)
÷0.6×
,
=
÷
×
,
=
×
×
,
=
;
(2)
×
+
×
,
=
×
+
×
,
=
×(
+
),
=
×
,
=
;
(3)
×102-
,
=
×102-
×2,
=
×(102-2),
=
×100,
=12;
(4)(
+
)×
,
=
×
,
=
;
(5)(0.75-
)×(
+
),
=(
-
)×(
+
),
=
×
,
=
;
(6)[4-(
-
)]×
,
=[4-
]×
,
=
×
,
=
.
| 18 |
| 35 |
| 2 |
| 3 |
=
| 18 |
| 35 |
| 3 |
| 5 |
| 2 |
| 3 |
=
| 18 |
| 35 |
| 5 |
| 3 |
| 2 |
| 3 |
=
| 4 |
| 7 |
(2)
| 18 |
| 13 |
| 12 |
| 5 |
| 18 |
| 5 |
| 1 |
| 13 |
=
| 18 |
| 13 |
| 12 |
| 5 |
| 1 |
| 5 |
| 18 |
| 13 |
=
| 18 |
| 13 |
| 12 |
| 5 |
| 1 |
| 5 |
=
| 18 |
| 13 |
| 13 |
| 5 |
=
| 18 |
| 5 |
(3)
| 3 |
| 25 |
| 6 |
| 25 |
=
| 3 |
| 25 |
| 3 |
| 25 |
=
| 3 |
| 25 |
=
| 3 |
| 25 |
=12;
(4)(
| 5 |
| 8 |
| 5 |
| 6 |
| 4 |
| 25 |
=
| 35 |
| 24 |
| 4 |
| 25 |
=
| 7 |
| 30 |
(5)(0.75-
| 3 |
| 16 |
| 2 |
| 9 |
| 1 |
| 3 |
=(
| 3 |
| 4 |
| 3 |
| 16 |
| 2 |
| 9 |
| 1 |
| 3 |
=
| 9 |
| 16 |
| 5 |
| 9 |
=
| 5 |
| 16 |
(6)[4-(
| 3 |
| 4 |
| 3 |
| 8 |
| 4 |
| 29 |
=[4-
| 3 |
| 8 |
| 4 |
| 29 |
=
| 29 |
| 8 |
| 4 |
| 29 |
=
| 1 |
| 2 |
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