题目内容
计算:
×
+
÷6
9.6÷0.4÷2.5
(8×
+8×
)÷
.
| 1 |
| 8 |
| 1 |
| 6 |
| 7 |
| 8 |
9.6÷0.4÷2.5
(8×
| 4 |
| 9 |
| 5 |
| 9 |
| 4 |
| 11 |
(1)
×
+
÷6
=
×
+
×
,
=(
+
)×
,
=1×
,
=
;
(2)9.6÷0.4÷2.5
=9.6÷(0.4×2.5),
=9.6÷1,
=9.6;
(3)(8×
+8×
)÷
=[(
+
)×8]×
,
=1×8×
,
=22.
| 1 |
| 8 |
| 1 |
| 6 |
| 7 |
| 8 |
=
| 1 |
| 8 |
| 1 |
| 6 |
| 7 |
| 8 |
| 1 |
| 6 |
=(
| 1 |
| 8 |
| 7 |
| 8 |
| 1 |
| 6 |
=1×
| 1 |
| 6 |
=
| 1 |
| 6 |
(2)9.6÷0.4÷2.5
=9.6÷(0.4×2.5),
=9.6÷1,
=9.6;
(3)(8×
| 4 |
| 9 |
| 5 |
| 9 |
| 4 |
| 11 |
=[(
| 4 |
| 9 |
| 5 |
| 9 |
| 11 |
| 4 |
=1×8×
| 11 |
| 4 |
=22.
练习册系列答案
相关题目