题目内容
888
| 45×0.25+36÷4+
|
(1)888
×1.125,
=(888+
)×1.125,
=888×1.125+
×1.125,
=999+1,
=1000;
(2)45×0.25+36÷4+
×19,
=45×
+36×
+
×19,
=(45+36+19)×
,
=120×
,
=30.
| 8 |
| 9 |
=(888+
| 8 |
| 9 |
=888×1.125+
| 8 |
| 9 |
=999+1,
=1000;
(2)45×0.25+36÷4+
| 1 |
| 4 |
=45×
| 1 |
| 4 |
| 1 |
| 4 |
| 1 |
| 4 |
=(45+36+19)×
| 1 |
| 4 |
=120×
| 1 |
| 4 |
=30.
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