题目内容
| 脱式计算. 3.8+3.17÷(22+9.7) | 68÷[0.5×(7.5-0.7)] | 352-162÷36×24 | ||||||||||||||||||||||||
[
| (
|
|
(1)3.8+3.17÷(22+9.7),
=3.8+3.17÷31.7,
=3.8+0.1,
=3.9;
(2)68÷[0.5×(7.5-0.7)],
=68÷[0.5×6.8],
=68÷3.4,
=20;
(3)352-162÷36×24,
=352-4.5×24,
=352-108,
=244;
(4)[
-(
-
)]×
,
=[
-
]×
,
=
×
-
×
,
=
-
,
=
,
=
;
(5)(
+
+
)÷
,
=(
+
+
)×36,
=
×36+
×36+
×36,
=12+6+4,
=22;
(6)
×[
÷(
×
)],
=
×[
÷
],
=
×
,
=
.
=3.8+3.17÷31.7,
=3.8+0.1,
=3.9;
(2)68÷[0.5×(7.5-0.7)],
=68÷[0.5×6.8],
=68÷3.4,
=20;
(3)352-162÷36×24,
=352-4.5×24,
=352-108,
=244;
(4)[
| 5 |
| 6 |
| 5 |
| 14 |
| 2 |
| 7 |
| 7 |
| 18 |
=[
| 5 |
| 6 |
| 1 |
| 14 |
| 7 |
| 18 |
=
| 5 |
| 6 |
| 7 |
| 18 |
| 1 |
| 14 |
| 7 |
| 18 |
=
| 35 |
| 108 |
| 7 |
| 36 |
=
| 14 |
| 108 |
=
| 7 |
| 54 |
(5)(
| 1 |
| 3 |
| 1 |
| 6 |
| 1 |
| 9 |
| 1 |
| 36 |
=(
| 1 |
| 3 |
| 1 |
| 6 |
| 1 |
| 9 |
=
| 1 |
| 3 |
| 1 |
| 6 |
| 1 |
| 9 |
=12+6+4,
=22;
(6)
| 1 |
| 8 |
| 1 |
| 2 |
| 3 |
| 5 |
| 10 |
| 9 |
=
| 1 |
| 8 |
| 1 |
| 2 |
| 2 |
| 3 |
=
| 1 |
| 8 |
| 3 |
| 4 |
=
| 3 |
| 32 |
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