题目内容
计算下列各题
×
×
(1+
)×12
5÷
-
÷
×
22÷(
+
)
÷8+
÷8.
| 5 |
| 6 |
| 12 |
| 21 |
| 7 |
| 15 |
(1+
| 3 |
| 8 |
5÷
| 5 |
| 11 |
| 3 |
| 11 |
| 5 |
| 4 |
| 3 |
| 4 |
| 9 |
| 25 |
22÷(
| 1 |
| 5 |
| 1 |
| 6 |
| 9 |
| 17 |
| 8 |
| 17 |
(1)
| 5 |
| 6 |
| 12 |
| 21 |
| 7 |
| 15 |
=
| 5 |
| 6 |
| 12 |
| 21 |
| 7 |
| 15 |
=
| 5 |
| 6 |
| 4 |
| 15 |
=
| 2 |
| 9 |
(2)(1+
| 3 |
| 8 |
=1×12+
| 3 |
| 8 |
=12+4.5,
=16.5;
(3)5÷
| 5 |
| 11 |
| 3 |
| 11 |
=11-
| 3 |
| 11 |
=10
| 8 |
| 11 |
(4)
| 5 |
| 4 |
| 3 |
| 4 |
| 9 |
| 25 |
=
| 5 |
| 3 |
| 9 |
| 25 |
=
| 3 |
| 5 |
(5)22÷(
| 1 |
| 5 |
| 1 |
| 6 |
=22÷
| 11 |
| 30 |
=60;
(6)
| 9 |
| 17 |
| 8 |
| 17 |
=(
| 9 |
| 17 |
| 8 |
| 17 |
=1÷8,
=
| 1 |
| 8 |
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