题目内容
计算.
| 36-
|
| (
|
(1)
×10×
×9×7
=(
×9)×10×(
×7)
=1×10×1
=10;
(2)32-
÷
×8
=32-
×8
=32-4
=28;
(3)
×
+4÷
=
+5
=5
;
(4)(
+
)÷
=
×
+
×
=
+
=2
.
| 1 |
| 9 |
| 1 |
| 7 |
=(
| 1 |
| 9 |
| 1 |
| 7 |
=1×10×1
=10;
(2)32-
| 5 |
| 12 |
| 5 |
| 6 |
=32-
| 1 |
| 2 |
=32-4
=28;
(3)
| 4 |
| 5 |
| 3 |
| 4 |
| 4 |
| 5 |
=
| 3 |
| 5 |
=5
| 3 |
| 5 |
(4)(
| 5 |
| 6 |
| 7 |
| 9 |
| 11 |
| 18 |
=
| 5 |
| 6 |
| 18 |
| 11 |
| 7 |
| 9 |
| 18 |
| 11 |
=
| 15 |
| 11 |
| 14 |
| 11 |
=2
| 7 |
| 11 |
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