题目内容
计算下面各题,能简算的要简算.
×
+
÷
4×3.6×2.5
(3.8-3.6÷2)×
÷[
×(
-
)].
| 3 |
| 8 |
| 5 |
| 11 |
| 5 |
| 8 |
| 11 |
| 5 |
4×3.6×2.5
(3.8-3.6÷2)×
| 1 |
| 2 |
| 9 |
| 10 |
| 1 |
| 2 |
| 6 |
| 5 |
| 3 |
| 10 |
(1)
×
+
÷
,
=
×
+
×
,
=(
+
)×
,
=1×
,
=
;
(2)4×3.6×2.5,
=4×2.5×3.6,
=10×3.6,
=36;
(3)(3.8-3.6÷2)×
,
=(3.8-1.8)×
,
=2×
,
=1;
(4)
÷[
×(
-
)],
=
÷[
×
],
=
÷
,
=2.
| 3 |
| 8 |
| 5 |
| 11 |
| 5 |
| 8 |
| 11 |
| 5 |
=
| 3 |
| 8 |
| 5 |
| 11 |
| 5 |
| 8 |
| 5 |
| 11 |
=(
| 3 |
| 8 |
| 5 |
| 8 |
| 5 |
| 11 |
=1×
| 5 |
| 11 |
=
| 5 |
| 11 |
(2)4×3.6×2.5,
=4×2.5×3.6,
=10×3.6,
=36;
(3)(3.8-3.6÷2)×
| 1 |
| 2 |
=(3.8-1.8)×
| 1 |
| 2 |
=2×
| 1 |
| 2 |
=1;
(4)
| 9 |
| 10 |
| 1 |
| 2 |
| 6 |
| 5 |
| 3 |
| 10 |
=
| 9 |
| 10 |
| 1 |
| 2 |
| 9 |
| 10 |
=
| 9 |
| 10 |
| 9 |
| 20 |
=2.
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