题目内容
| 用你喜欢的方法计算 ①375+450÷18×25 | ②
| ③[6.85-(0.65+0.7)]÷2.5 | ||||||||||||
④
| ⑤13×(
| ⑥2272-6360÷24. |
①375+450÷18×25,
=375+25×25,
=375+625,
=1000;
②
×
+
÷9,
=
×
+
×
,
=
×(
+
),
=
×4,
=
;
③[6.85-(0.65+0.7)]÷2.5;
=[6.85-0.65-0.7]÷2.5,
=5.5÷2.5,
=2.2;
④
÷(
-
)×
,
=
÷
×
,
=
;
⑤13×(
+
)×22,
=13×22×(
+
),
=13×22×
+13×22×
,
=11+52,
=63;
⑥2272-6360÷24,
=2272-265,
=2007.
=375+25×25,
=375+625,
=1000;
②
| 19 |
| 5 |
| 1 |
| 9 |
| 1 |
| 5 |
=
| 19 |
| 5 |
| 1 |
| 9 |
| 1 |
| 5 |
| 1 |
| 9 |
=
| 1 |
| 9 |
| 19 |
| 5 |
| 1 |
| 5 |
=
| 1 |
| 9 |
=
| 4 |
| 9 |
③[6.85-(0.65+0.7)]÷2.5;
=[6.85-0.65-0.7]÷2.5,
=5.5÷2.5,
=2.2;
④
| 3 |
| 10 |
| 5 |
| 2 |
| 5 |
| 3 |
| 5 |
| 6 |
=
| 3 |
| 10 |
| 5 |
| 6 |
| 5 |
| 6 |
=
| 3 |
| 10 |
⑤13×(
| 1 |
| 26 |
| 2 |
| 11 |
=13×22×(
| 1 |
| 26 |
| 2 |
| 11 |
=13×22×
| 1 |
| 26 |
| 2 |
| 11 |
=11+52,
=63;
⑥2272-6360÷24,
=2272-265,
=2007.
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