题目内容
脱式计算:
5025-2940÷28×7;
3.68×[1÷(2.1-2.09)];
5-5×
+
;
×[(
+
)÷
].
5025-2940÷28×7;
3.68×[1÷(2.1-2.09)];
5-5×
| 2 |
| 5 |
| 3 |
| 5 |
| 5 |
| 11 |
| 2 |
| 5 |
| 1 |
| 3 |
| 5 |
| 6 |
5025-2940÷28×7,
=5025-105×7,
=5025-735,
=4290;
3.68×[1÷(2.1-2.09)],
=3.68×[1÷0.01],
=3.68×100,
=368;
5-5×
+
,
=5-2+
,
=3
;
×[(
+
)÷
],
=
×[(
+
)×
],
=
×[
×
],
=
×
,
=
.
=5025-105×7,
=5025-735,
=4290;
3.68×[1÷(2.1-2.09)],
=3.68×[1÷0.01],
=3.68×100,
=368;
5-5×
| 2 |
| 5 |
| 3 |
| 5 |
=5-2+
| 3 |
| 5 |
=3
| 3 |
| 5 |
| 5 |
| 11 |
| 2 |
| 5 |
| 1 |
| 3 |
| 5 |
| 6 |
=
| 5 |
| 11 |
| 6 |
| 15 |
| 5 |
| 15 |
| 6 |
| 5 |
=
| 5 |
| 11 |
| 11 |
| 15 |
| 6 |
| 5 |
=
| 5 |
| 11 |
| 22 |
| 25 |
=
| 2 |
| 5 |
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