题目内容
灵活计算,(能简便计算的要用简便方法计算).
36×(
+
)
8×(36×125)
-
×
+
〔1-(
-
)〕÷
.
36×(
| 2 |
| 9 |
| 7 |
| 12 |
8×(36×125)
| 3 |
| 4 |
| 7 |
| 10 |
| 5 |
| 7 |
| 1 |
| 2 |
〔1-(
| 2 |
| 3 |
| 1 |
| 2 |
| 5 |
| 12 |
(1)36×(
+
)
=36×
+36×
,
=8+21,
=29;
(2)8×(36×125)
=8×125×36,
=1000×36,
=36000;
(3)
-
×
+
=
-
+
,
=
;
〔1-(
-
)〕÷
=(1-
)÷
,
=
÷
,
=2.
| 2 |
| 9 |
| 7 |
| 12 |
=36×
| 2 |
| 9 |
| 7 |
| 12 |
=8+21,
=29;
(2)8×(36×125)
=8×125×36,
=1000×36,
=36000;
(3)
| 3 |
| 4 |
| 7 |
| 10 |
| 5 |
| 7 |
| 1 |
| 2 |
=
| 3 |
| 4 |
| 1 |
| 2 |
| 1 |
| 2 |
=
| 3 |
| 4 |
〔1-(
| 2 |
| 3 |
| 1 |
| 2 |
| 5 |
| 12 |
=(1-
| 1 |
| 6 |
| 5 |
| 12 |
=
| 5 |
| 6 |
| 5 |
| 12 |
=2.
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