题目内容
计算,能简算的要简算.
|
| (2-0.6)÷
| ||||||||||||||||
4÷(
|
|
|
(1)
÷
×
,
=
×
×
,
=6;
(2)
÷5+
×0.8,
=
×
+
×0.8,
=
×(
+0.8),
=
×(0.2+0.8),
=
×1,
=
;
(3)(2-0.6)÷
,
=1.4×
,
=3;
(4)4÷(
+
×
),
=4÷(
+
),
=4÷
,
=4×
,
=
;
(5)
×9+11÷
-
,
=
×9+11×
-
,
=
×(9+11-1),
=
×19,
=11;
(6)
×0.375÷
,
=
×
×
,
=
.
| 11 |
| 3 |
| 5 |
| 6 |
| 15 |
| 11 |
=
| 11 |
| 3 |
| 6 |
| 5 |
| 15 |
| 11 |
=6;
(2)
| 7 |
| 15 |
| 7 |
| 15 |
=
| 7 |
| 15 |
| 1 |
| 5 |
| 7 |
| 15 |
=
| 7 |
| 15 |
| 1 |
| 5 |
=
| 7 |
| 15 |
=
| 7 |
| 15 |
=
| 7 |
| 15 |
(3)(2-0.6)÷
| 7 |
| 15 |
=1.4×
| 15 |
| 7 |
=3;
(4)4÷(
| 1 |
| 2 |
| 3 |
| 4 |
| 1 |
| 5 |
=4÷(
| 1 |
| 2 |
| 3 |
| 20 |
=4÷
| 13 |
| 20 |
=4×
| 20 |
| 13 |
=
| 80 |
| 13 |
(5)
| 11 |
| 19 |
| 19 |
| 11 |
| 11 |
| 19 |
=
| 11 |
| 19 |
| 11 |
| 19 |
| 11 |
| 19 |
=
| 11 |
| 19 |
=
| 11 |
| 19 |
=11;
(6)
| 2 |
| 9 |
| 6 |
| 7 |
=
| 2 |
| 9 |
| 3 |
| 8 |
| 6 |
| 7 |
=
| 1 |
| 14 |
练习册系列答案
相关题目