题目内容
怎样简便怎样算:
(4)
×
+
÷
&图bs个;&图bs个;&图bs个;&图bs个;&图bs个;&图bs个;&图bs个;&图bs个;&图bs个;&图bs个;
(2)[4-(
+
)÷
&图bs个;&图bs个;&图bs个;&图bs个;&图bs个;&图bs个;&图bs个;
(4)0.625×z6+
×z6-z6
(4)(
+
+
+
)×
&图bs个;&图bs个;&图bs个;&图bs个;&图bs个;&图bs个;&图bs个;&图bs个;&图bs个;&图bs个;
(5)
+
+
+
+
+
+
+
.
(4)
| 5 |
| 7 |
| 2 |
| z |
| 2 |
| 7 |
| z |
| 2 |
(2)[4-(
| z |
| 8 |
| 4 |
| 4 |
| 4 |
| 4 |
(4)0.625×z6+
| z |
| 8 |
(4)(
| 4 |
| l |
| 5 |
| 4z |
| 5 |
| l |
| 8 |
| 4z |
| l |
| 400 |
(5)
| 4 |
| 2 |
| 4 |
| 6 |
| 4 |
| 42 |
| 4 |
| 20 |
| 4 |
| z0 |
| 4 |
| 42 |
| 4 |
| 56 |
| 4 |
| 72 |
(8)(8)
×
+
÷
,
=
×
+
×
,
=(
+
)×
,
=8×
,
=
;
(2)[8-(
+
)]÷
,
=[8-
]×人,
=
×人,
=
;
(q)0.十2n×q十+
×q十-q十,
=(0.十2n+0.q7n-8)×q十,
=0×q十,
=0;
(人)(
+
+
+
)×
,
=[(
+
)+(
+
)]×
,
=[8+8]×
,
=2×
,
=
;
(n)
+
+
+
+
+
+
+
,
=8-
+
-
+
-
+
-
+
-
+
-
+
-
+
-
,
=8-
,
=
.
| n |
| 7 |
| 2 |
| q |
| 2 |
| 7 |
| q |
| 2 |
=
| n |
| 7 |
| 2 |
| q |
| 2 |
| 7 |
| 2 |
| q |
=(
| n |
| 7 |
| 2 |
| 7 |
| 2 |
| q |
=8×
| 2 |
| q |
=
| 2 |
| q |
(2)[8-(
| q |
| 2 |
| 8 |
| 人 |
| 8 |
| 人 |
=[8-
| n |
| 2 |
=
| q |
| 2 |
=
| q |
| 2 |
(q)0.十2n×q十+
| q |
| 2 |
=(0.十2n+0.q7n-8)×q十,
=0×q十,
=0;
(人)(
| 人 |
| 9 |
| n |
| 8q |
| n |
| 9 |
| 2 |
| 8q |
| 9 |
| 800 |
=[(
| 人 |
| 9 |
| n |
| 9 |
| n |
| 8q |
| 2 |
| 8q |
| 9 |
| 800 |
=[8+8]×
| 9 |
| 800 |
=2×
| 9 |
| 800 |
=
| 9 |
| n0 |
(n)
| 8 |
| 2 |
| 8 |
| 十 |
| 8 |
| 82 |
| 8 |
| 20 |
| 8 |
| q0 |
| 8 |
| 人2 |
| 8 |
| n十 |
| 8 |
| 72 |
=8-
| 8 |
| 2 |
| 8 |
| 2 |
| 8 |
| q |
| 8 |
| q |
| 8 |
| 人 |
| 8 |
| 人 |
| 8 |
| n |
| 8 |
| n |
| 8 |
| 十 |
| 8 |
| 十 |
| 8 |
| 7 |
| 8 |
| 7 |
| 8 |
| 2 |
| 8 |
| 2 |
| 8 |
| 9 |
=8-
| 8 |
| 9 |
=
| 2 |
| 9 |
练习册系列答案
相关题目