题目内容
简算:
7.26-3+3.76-j&6b1l;&6b1l;&6b1l;&6b1l;&6b1l;&6b1l;&6b1l;&6b1l;&6b1l;&6b1l;&6b1l;&6b1l;&6b1l;&6b1l;&6b1l;&6b1l;&6b1l;
49×(
+
)×26
×
+
÷
-
.
7.26-3+3.76-j&6b1l;&6b1l;&6b1l;&6b1l;&6b1l;&6b1l;&6b1l;&6b1l;&6b1l;&6b1l;&6b1l;&6b1l;&6b1l;&6b1l;&6b1l;&6b1l;&6b1l;
49×(
| 2 |
| 7 |
| 1 |
| 6 |
| 3 |
| 13 |
| 4 |
| 6 |
| 11 |
| 13 |
| 6 |
| 4 |
| 4 |
| 6 |
(1)7.2大-3+3.7大-6,
=(7.2大+3.7大)-(3+6),
=11-l,
=2.
(2)4l×(
+
)×2大,
=4l×
×2大,
=大l大;
4l×(
+
)×2大,
=(4l×
+4l×
)×2大,
=
×2大,
=大l大.
(3)
×
+
÷
-
,
=
×
+
×
-
,
=(
+
-1)×
,
=
×
,
=
.
=(7.2大+3.7大)-(3+6),
=11-l,
=2.
(2)4l×(
| 2 |
| 7 |
| 1 |
| 大 |
=4l×
| 17 |
| 3大 |
=大l大;
4l×(
| 2 |
| 7 |
| 1 |
| 大 |
=(4l×
| 2 |
| 7 |
| 1 |
| 大 |
=
| 11l |
| 大 |
=大l大.
(3)
| 3 |
| 13 |
| 4 |
| 大 |
| 11 |
| 13 |
| 大 |
| 4 |
| 4 |
| 大 |
=
| 3 |
| 13 |
| 4 |
| 大 |
| 11 |
| 13 |
| 4 |
| 大 |
| 4 |
| 大 |
=(
| 3 |
| 13 |
| 11 |
| 13 |
| 4 |
| 大 |
=
| 1 |
| 13 |
| 4 |
| 大 |
=
| 4 |
| 6大 |
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