题目内容
灵活计算下面各题
(1)25×0.36×4
(2)36÷[(
-
)×4]
(3)
+
+
+
(4)18×
-3÷
.
(1)25×0.36×4
(2)36÷[(
| 5 |
| 6 |
| 1 |
| 3 |
(3)
| 1 |
| 8 |
| 5 |
| 9 |
| 7 |
| 8 |
| 4 |
| 9 |
(4)18×
| 2 |
| 3 |
| 3 |
| 2 |
(1)25×0.36×4,
=25×4×0.36,
=100×0.36,
=36;
(2)36÷[(
-
)×4],
=36÷[
×4],
=36÷2,
=18;
(3)
+
+
+
,
=(
+
)+(
+
),
=1+1,
=2;
(4)18×
-3÷
,
=12-3×
,
=12-2,
=10.
=25×4×0.36,
=100×0.36,
=36;
(2)36÷[(
| 5 |
| 6 |
| 1 |
| 3 |
=36÷[
| 1 |
| 2 |
=36÷2,
=18;
(3)
| 1 |
| 8 |
| 5 |
| 9 |
| 7 |
| 8 |
| 4 |
| 9 |
=(
| 1 |
| 8 |
| 7 |
| 8 |
| 5 |
| 9 |
| 4 |
| 9 |
=1+1,
=2;
(4)18×
| 2 |
| 3 |
| 3 |
| 2 |
=12-3×
| 2 |
| 3 |
=12-2,
=10.
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