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正确、合理的计算42÷(76×914)914×6+514×648×(18+16)1112-13×1457÷3-121.
题目详情
正确、合理的计算
42÷(
×
)
×6+
×6
48×(
+
)
-
×
÷3-
.
42÷(
| 7 |
| 6 |
| 9 |
| 14 |
| 9 |
| 14 |
| 5 |
| 14 |
48×(
| 1 |
| 8 |
| 1 |
| 6 |
| 11 |
| 12 |
| 1 |
| 3 |
| 1 |
| 4 |
| 5 |
| 7 |
| 1 |
| 21 |
▼优质解答
答案和解析
(1)42÷(
×
)
=42÷
=56;
(2)
×6+
×6
=(
+
)×6
=1×6
=6;
(3)48×(
+
)
=48×
+48×
=6+8
=14;
(4)
-
×
=
-
=
;
(5)
÷3-
=
-
=
.
| 7 |
| 6 |
| 9 |
| 14 |
=42÷
| 3 |
| 4 |
=56;
(2)
| 9 |
| 14 |
| 5 |
| 14 |
=(
| 9 |
| 14 |
| 5 |
| 14 |
=1×6
=6;
(3)48×(
| 1 |
| 8 |
| 1 |
| 6 |
=48×
| 1 |
| 8 |
| 1 |
| 6 |
=6+8
=14;
(4)
| 11 |
| 12 |
| 1 |
| 3 |
| 1 |
| 4 |
=
| 11 |
| 12 |
| 1 |
| 12 |
=
| 5 |
| 6 |
(5)
| 5 |
| 7 |
| 1 |
| 21 |
=
| 5 |
| 21 |
| 1 |
| 21 |
=
| 4 |
| 21 |
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