题目内容
| 19.62-6.4-3.6 | 6×0.11+57.6×0.89 |
|
(1)
×
×
×
=
;
(2)19.62-6.4-3.6
=19.62-(6.4+3.6),
=19.62-10,
=9.62;
(3)6×0.11+57.6×0.89
=0.66+51.264,
=51.924.
(4)
×57+
×42+
=(1+57+42)×
,
=100×
,
=12.5.
| 11 |
| 15 |
| 3 |
| 8 |
| 3 |
| 8 |
| 4 |
| 15 |
| 11 |
| 400 |
(2)19.62-6.4-3.6
=19.62-(6.4+3.6),
=19.62-10,
=9.62;
(3)6×0.11+57.6×0.89
=0.66+51.264,
=51.924.
(4)
| 1 |
| 8 |
| 1 |
| 8 |
| 1 |
| 8 |
=(1+57+42)×
| 1 |
| 8 |
=100×
| 1 |
| 8 |
=12.5.
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