题目内容
简算
16.45-(4.45+
)
36×(
+
-0.5)
×0.75+
÷
-
.
16.45-(4.45+
| 3 |
| 7 |
36×(
| 2 |
| 3 |
| 3 |
| 4 |
| 4 |
| 7 |
| 3 |
| 4 |
| 7 |
| 3 |
| 3 |
| 4 |
(1)16.45-(4.45+
),
=16.45-4.45-
,
=12-
,
=11
;
(2)36×(
+
-0.5),
=36×
+36×
+36×0.5,
=24+27+18,
=69;
(3)
×0.75+
÷
-
,
=(
+
-1)×
,
=0×
,
=0.
| 3 |
| 7 |
=16.45-4.45-
| 3 |
| 7 |
=12-
| 3 |
| 7 |
=11
| 4 |
| 7 |
(2)36×(
| 2 |
| 3 |
| 3 |
| 4 |
=36×
| 2 |
| 3 |
| 3 |
| 4 |
=24+27+18,
=69;
(3)
| 4 |
| 7 |
| 3 |
| 4 |
| 7 |
| 3 |
| 3 |
| 4 |
=(
| 4 |
| 7 |
| 3 |
| 7 |
| 3 |
| 4 |
=0×
| 3 |
| 4 |
=0.
练习册系列答案
相关题目