题目内容
计算下列各题
2
|
68×〔1÷(2
|
〔(0.75+
|
(1)2
| 1 |
| 7 |
| 1 |
| 8 |
| 5 |
| 9 |
| 3 |
| 8 |
=2
| 1 |
| 7 |
| 5 |
| 8 |
| 3 |
| 8 |
=2
| 1 |
| 7 |
| 5 |
| 8 |
| 3 |
| 8 |
=2
| 1 |
| 7 |
=3
| 1 |
| 7 |
(2)68×〔1÷(2
| 1 |
| 10 |
=68×〔1÷0.01〕,
=68×100,
=6800;
(3)〔(0.75+
| 1 |
| 5 |
| 2 |
| 5 |
=〔0.95÷0.25+
| 2 |
| 5 |
=〔3.8+
| 2 |
| 5 |
=4.2×250%,
=10.5.
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