题目内容
计算下列各题,能简算的要简算
| (
|
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|
|
|
(1)
×5.16+516%×
,
=
×5.16+5.16×
,
=5.16×(
+
),
=5.16×1,
=5.16;
(2)(
-
)÷(
×
),
=
÷
,
=
;
(3)
×
×
,
=
×(
×
),
=
×
,
=
;
(4)
+
+
+6.1,
=(
+
)+(6.1+3.9),
=10+10,
=20;
(5)
÷(
+
×
),
=
÷(
+
),
=
÷
,
=
;
(6)
×(0.65+
)÷
,
=
×1÷
,
=
×7,
=
.
| 13 |
| 18 |
| 5 |
| 18 |
=
| 13 |
| 18 |
| 5 |
| 18 |
=5.16×(
| 13 |
| 18 |
| 5 |
| 18 |
=5.16×1,
=5.16;
(2)(
| 8 |
| 9 |
| 1 |
| 3 |
| 7 |
| 18 |
| 2 |
| 3 |
=
| 5 |
| 9 |
| 7 |
| 27 |
=
| 15 |
| 7 |
(3)
| 9 |
| 10 |
| 4 |
| 13 |
| 13 |
| 18 |
=
| 9 |
| 10 |
| 4 |
| 13 |
| 13 |
| 18 |
=
| 9 |
| 10 |
| 2 |
| 9 |
=
| 1 |
| 5 |
(4)
| 47 |
| 6 |
| 39 |
| 10 |
| 13 |
| 6 |
=(
| 47 |
| 6 |
| 13 |
| 6 |
=10+10,
=20;
(5)
| 4 |
| 5 |
| 1 |
| 5 |
| 5 |
| 8 |
| 4 |
| 7 |
=
| 4 |
| 5 |
| 1 |
| 5 |
| 5 |
| 14 |
=
| 4 |
| 5 |
| 39 |
| 70 |
=
| 56 |
| 39 |
(6)
| 1 |
| 8 |
| 7 |
| 20 |
| 1 |
| 7 |
=
| 1 |
| 8 |
| 1 |
| 7 |
=
| 1 |
| 8 |
=
| 7 |
| 8 |
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