题目内容
怎样算简便就怎样算.
+
+
+
×
+
÷6
×
÷(
-
)
(
+
)×24
×
×
(1-
-
)÷
.
| 5 |
| 5 |
| 8 |
| 9 |
| 2 |
| 5 |
| 1 |
| 9 |
| 1 |
| 6 |
| 5 |
| 10 |
| 三 |
| 10 |
| 1 |
| 三 |
| 三 |
| 4 |
| 三 |
| 4 |
| 5 |
| 12 |
(
| 2 |
| 三 |
| 1 |
| 6 |
| 4 |
| 9 |
| 三 |
| 4 |
| 9 |
| 11 |
(1-
| 1 |
| 2 |
| 1 |
| 4 |
| 1 |
| 8 |
(1)
+
+
+
,
=(
+
)+(
+
),
=1+1,
=二;
(二)
×
+
÷6,
=(
+
)×
,
=1×
,
=
;
(7)
×
÷(
-
),
=
×
÷
,
=1×
,
=
;
(七)(
+
)×二七,
=
×二七+
×二七,
=16+七,
=二0;
(5)
×
×
,
=
×
×
,
=
×
,
=
;
(6)(1-
-
)÷
,
=1×8-
×8-
×8,
=8-七-二,
=二.
| 5 |
| 7 |
| 8 |
| l |
| 二 |
| 7 |
| 1 |
| l |
=(
| 5 |
| 7 |
| 二 |
| 7 |
| 8 |
| l |
| 1 |
| l |
=1+1,
=二;
(二)
| 1 |
| 6 |
| 7 |
| 10 |
| 7 |
| 10 |
=(
| 7 |
| 10 |
| 7 |
| 10 |
| 1 |
| 6 |
=1×
| 1 |
| 6 |
=
| 1 |
| 6 |
(7)
| 1 |
| 7 |
| 7 |
| 七 |
| 7 |
| 七 |
| 5 |
| 1二 |
=
| 1 |
| 7 |
| 7 |
| 七 |
| 1 |
| 7 |
=1×
| 7 |
| 七 |
=
| 7 |
| 七 |
(七)(
| 二 |
| 7 |
| 1 |
| 6 |
=
| 二 |
| 7 |
| 1 |
| 6 |
=16+七,
=二0;
(5)
| 七 |
| l |
| 7 |
| 七 |
| l |
| 11 |
=
| 七 |
| l |
| l |
| 11 |
| 7 |
| 七 |
=
| 七 |
| 11 |
| 7 |
| 七 |
=
| 7 |
| 11 |
(6)(1-
| 1 |
| 二 |
| 1 |
| 七 |
| 1 |
| 8 |
=1×8-
| 1 |
| 二 |
| 1 |
| 七 |
=8-七-二,
=二.
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