题目内容
| 14×70-624÷6 | 32×0.125×2.5 |
| ||||||||||||||||||||
| (
|
|
(1)14×70-624÷6,
=980-104,
=876;
(2)32×0.125×2.5,
=4×8×0.125×2.5,
=8×0.125×(4×2.5),
=1×10,
=10;
(3)
-
-
,
=
-(
+
),
=
-2,
=
;
(4)
÷9+
×
,
=
×
+
×
,
=(
+
)×
,
=
×
,
=
;
(5)(
+
×
)÷
,
=(
+
)×
,
=
×
,
=1;
(6)
÷[
-(1-
)],
=
÷[
-
],
=
÷
,
=
×10,
=
.
=980-104,
=876;
(2)32×0.125×2.5,
=4×8×0.125×2.5,
=8×0.125×(4×2.5),
=1×10,
=10;
(3)
| 14 |
| 5 |
| 1 |
| 3 |
| 5 |
| 3 |
=
| 14 |
| 5 |
| 1 |
| 3 |
| 5 |
| 3 |
=
| 14 |
| 5 |
=
| 4 |
| 5 |
(4)
| 5 |
| 7 |
| 4 |
| 7 |
| 1 |
| 9 |
=
| 5 |
| 7 |
| 1 |
| 9 |
| 4 |
| 7 |
| 1 |
| 9 |
=(
| 5 |
| 7 |
| 4 |
| 7 |
| 1 |
| 9 |
=
| 9 |
| 7 |
| 1 |
| 9 |
=
| 1 |
| 7 |
(5)(
| 2 |
| 3 |
| 5 |
| 7 |
| 7 |
| 24 |
| 7 |
| 8 |
=(
| 2 |
| 3 |
| 5 |
| 24 |
| 8 |
| 7 |
=
| 7 |
| 8 |
| 8 |
| 7 |
=1;
(6)
| 7 |
| 11 |
| 2 |
| 5 |
| 7 |
| 10 |
=
| 7 |
| 11 |
| 2 |
| 5 |
| 3 |
| 10 |
=
| 7 |
| 11 |
| 1 |
| 10 |
=
| 7 |
| 11 |
=
| 70 |
| 11 |
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