题目内容
| 用你喜欢的方法计算: (
| 2-
|
| ||||||||||||||||
(
| (
| 101×
|
(1)(
-
)÷
,
=(
-
)÷
,
=
×
,
=
;
(2)2-
×
,
=2-
,
=1
;
(3)
×(
+
),
=
×(
+
),
=
×
,
=
;
(4)(
-
)×
,
=
×
-
×
,
=6-5,
=1;
(5)(
+
)×20,
=
×20+
×20,
=10+16,
=26;
(6)101×
-
,
=(101-1)×
,
=100×
,
=28
.
| 1 |
| 2 |
| 3 |
| 8 |
| 3 |
| 4 |
=(
| 4 |
| 8 |
| 3 |
| 8 |
| 3 |
| 4 |
=
| 1 |
| 8 |
| 4 |
| 3 |
=
| 1 |
| 6 |
(2)2-
| 8 |
| 15 |
| 1 |
| 4 |
=2-
| 2 |
| 15 |
=1
| 13 |
| 15 |
(3)
| 6 |
| 11 |
| 5 |
| 9 |
| 2 |
| 3 |
=
| 6 |
| 11 |
| 5 |
| 9 |
| 6 |
| 9 |
=
| 6 |
| 11 |
| 11 |
| 9 |
=
| 2 |
| 3 |
(4)(
| 4 |
| 5 |
| 2 |
| 3 |
| 15 |
| 2 |
=
| 4 |
| 5 |
| 15 |
| 2 |
| 2 |
| 3 |
| 15 |
| 2 |
=6-5,
=1;
(5)(
| 1 |
| 2 |
| 4 |
| 5 |
=
| 1 |
| 2 |
| 4 |
| 5 |
=10+16,
=26;
(6)101×
| 2 |
| 7 |
| 2 |
| 7 |
=(101-1)×
| 2 |
| 7 |
=100×
| 2 |
| 7 |
=28
| 4 |
| 7 |
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