题目内容
简算
| 11.82÷(3.94+2×3.94) |
|
(1)11.82÷(3.94+2×3.94),
=11.82÷[3.94×(1+2)],
=11.82÷[3.94×3],
=11.82÷11.82,
=1;
(2)
-
+
-
.
=
+
-(
+
),
=1-1,
=0.
=11.82÷[3.94×(1+2)],
=11.82÷[3.94×3],
=11.82÷11.82,
=1;
(2)
| 8 |
| 15 |
| 17 |
| 29 |
| 7 |
| 15 |
| 12 |
| 29 |
=
| 8 |
| 15 |
| 7 |
| 15 |
| 17 |
| 29 |
| 12 |
| 29 |
=1-1,
=0.
练习册系列答案
相关题目
递等式计算,能简算的要简算
| 0.8- | ( | 72× | ( |