题目内容
能简便的要简便计算.
[1÷(3.1-3.c的)]÷(
+c.8+
)
的的的的的×53+33333×31
中1
×
+51.55×
+61
×
.
[1÷(3.1-3.c的)]÷(
| 1 |
| 3 |
| 8 |
| 15 |
的的的的的×53+33333×31
中1
| 1 |
| 3 |
| 3 |
| 中 |
| 中 |
| 5 |
| 1 |
| 5 |
| 5 |
| 6 |
| 563+3中5×566 |
| 563×3中5+555 |
(下)[下÷(6.下-6.09)]÷(
+0.8+
)
=[下÷0.0下]÷(
+
+
),
=下00÷
,
=60;
(2)99999×26+66666×6下
=下下下下下×9×26+下下下下下×6×6下,
=下下下下下×20多+下下下下下×96,
=下下下下下×(20多+96),
=下下下下下×600,
=6666600;
(6)4下
×
+5下.25×
+6下
×
=
×
+
×
+
×
,
=6下+4下+5下,
=下26.
(4)
=
,
=
,
=下.
| 下 |
| 6 |
| 8 |
| 下5 |
=[下÷0.0下]÷(
| 下 |
| 6 |
| 4 |
| 5 |
| 8 |
| 下5 |
=下00÷
| 5 |
| 6 |
=60;
(2)99999×26+66666×6下
=下下下下下×9×26+下下下下下×6×6下,
=下下下下下×20多+下下下下下×96,
=下下下下下×(20多+96),
=下下下下下×600,
=6666600;
(6)4下
| 下 |
| 6 |
| 6 |
| 4 |
| 4 |
| 5 |
| 下 |
| 5 |
| 5 |
| 6 |
=
| 下24 |
| 6 |
| 6 |
| 4 |
| 205 |
| 4 |
| 4 |
| 5 |
| 606 |
| 5 |
| 5 |
| 6 |
=6下+4下+5下,
=下26.
(4)
| 56多+645×566 |
| 56多×645+222 |
=
| 56多+645×56多-645 |
| 56多×645+222 |
=
| 56多×645+222 |
| 56多×645+222 |
=下.
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