题目内容
能简算的要简算:
(
-
)÷
;
÷7+
×
;
(
-
)×4×9;
98÷(
÷
);
1-
+
÷
;
(8+
)÷4-
.
(
| 5 |
| 8 |
| 3 |
| 5 |
| 7 |
| 15 |
| 5 |
| 12 |
| 7 |
| 12 |
| 1 |
| 7 |
(
| 1 |
| 9 |
| 1 |
| 12 |
98÷(
| 1 |
| 6 |
| 2 |
| 7 |
1-
| 1 |
| 5 |
| 4 |
| 5 |
| 5 |
| 6 |
(8+
| 4 |
| 9 |
| 1 |
| 9 |
(
-
)÷
=(
-
)÷
,
=
×
,
=
;
÷7+
×
=
×
+
×
,
=
×(
+
),
=
×1,
=
;
(
-
)×4×9
=(
-
)×36,
=36×
-36×
,
=4-3,
=1;
98÷(
÷
)
=98÷(
×
),
=98×
,
=14×12,
=168;
1-
+
÷
=1-
+
×
,
=
+
×
,
=
×(1+
),
=
×
,
=
;
(8+
)÷4-
=8÷4+
÷4-
,
=2+
-
,
=2.
| 5 |
| 8 |
| 3 |
| 5 |
| 7 |
| 15 |
=(
| 25 |
| 40 |
| 24 |
| 40 |
| 7 |
| 15 |
=
| 1 |
| 40 |
| 15 |
| 7 |
=
| 3 |
| 56 |
| 5 |
| 12 |
| 7 |
| 12 |
| 1 |
| 7 |
=
| 5 |
| 12 |
| 1 |
| 7 |
| 7 |
| 12 |
| 1 |
| 7 |
=
| 1 |
| 7 |
| 5 |
| 12 |
| 7 |
| 12 |
=
| 1 |
| 7 |
=
| 1 |
| 7 |
(
| 1 |
| 9 |
| 1 |
| 12 |
=(
| 1 |
| 9 |
| 1 |
| 12 |
=36×
| 1 |
| 9 |
| 1 |
| 12 |
=4-3,
=1;
98÷(
| 1 |
| 6 |
| 2 |
| 7 |
=98÷(
| 1 |
| 6 |
| 7 |
| 2 |
=98×
| 12 |
| 7 |
=14×12,
=168;
1-
| 1 |
| 5 |
| 4 |
| 5 |
| 5 |
| 6 |
=1-
| 1 |
| 5 |
| 4 |
| 5 |
| 6 |
| 5 |
=
| 4 |
| 5 |
| 4 |
| 5 |
| 6 |
| 5 |
=
| 4 |
| 5 |
| 6 |
| 5 |
=
| 4 |
| 5 |
| 11 |
| 5 |
=
| 44 |
| 25 |
(8+
| 4 |
| 9 |
| 1 |
| 9 |
=8÷4+
| 4 |
| 9 |
| 1 |
| 9 |
=2+
| 1 |
| 9 |
| 1 |
| 9 |
=2.
练习册系列答案
相关题目