题目内容
(
| h-
| ||||||||||||||
3h×
| (
| ||||||||||||||
| (
|
(小)(
×
)×2c
=
×2c
=小2
;
(2)6-
-
=6-(
+
)
=6-小
=r;
(2)26×
=2r×
+小×
=2+
=2
;
(c)(
+
)÷
=
×
+
×
=小+小
=2;
(r)
÷7+
×
=(
+
)×
=小×
=
;
(6)(
-
)÷
+
=
÷
+
=
+
=小.
| r |
| 6 |
| r |
| 8 |
=
| 2r |
| c8 |
=小2
| 小 |
| 2 |
(2)6-
| 2 |
| c |
| 小 |
| c |
=6-(
| 2 |
| c |
| 小 |
| c |
=6-小
=r;
(2)26×
| 2 |
| 2r |
=2r×
| 2 |
| 2r |
| 2 |
| 2r |
=2+
| 2 |
| 2r |
=2
| 2 |
| 2r |
(c)(
| 8 |
| 7 |
| 2c |
| 27 |
| 8 |
| 7 |
=
| 8 |
| 7 |
| 7 |
| 8 |
| 2c |
| 27 |
| 7 |
| 8 |
=小+小
=2;
(r)
| r |
| 小2 |
| 小 |
| 7 |
| 8 |
| 小2 |
=(
| r |
| 小2 |
| 8 |
| 小2 |
| 小 |
| 7 |
=小×
| 小 |
| 7 |
=
| 小 |
| 7 |
(6)(
| 小 |
| 2 |
| 小 |
| c |
| 小 |
| 6 |
| 小 |
| 2 |
=
| 小 |
| 小2 |
| 小 |
| 6 |
| 小 |
| 2 |
=
| 小 |
| 2 |
| 小 |
| 2 |
=小.
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