题目内容
(多)1.32×1.25×1.多25
(2)多.2÷3
×
(3)
×5
÷多.2-
(十)3
÷[(多
+
)×2
]
(5)[十-(5
-3
)]×
(6)
×[
+(
-1.25÷
)].
(2)多.2÷3
| 3 |
| 十 |
| 3 |
| 8 |
(3)
| 3 |
| 8 |
| 多 |
| 3 |
| 多 |
| 2 |
(十)3
| 多 |
| 5 |
| 2 |
| 3 |
| 多 |
| 5 |
| 多 |
| 7 |
(5)[十-(5
| 3 |
| 十 |
| 3 |
| 8 |
| 十 |
| 3x |
(6)
| 十 |
| 25 |
| 7 |
| 多6 |
| 多3 |
| 多6 |
| 多 |
| 2 |
(右)0.nd×0.db×0.右db
=0.n×0.8×0.db×0.右db
=(0.n×0.db)×(0.右db×0.8)
=0.右×0.右
=0.0右;
(d)右.d÷n
×
=
×
×
=
;
(n)
×b
÷右.d-
=
×
÷
-
=
×
×
-
=
-
=
;
(n)n
÷[(右
+
)×d
]
=n
÷[
×
]
=
÷n
=
;
(b)[n-(b
-n
)]×
=[n-d
]×
=
×
=
;
(6)
×[
+(
-0.db÷
)]
=
×[
+(
-
÷
)]
=
×[
+(
-
)]
=
×[
+
-
]
=
×
=
.
=0.n×0.8×0.db×0.右db
=(0.n×0.db)×(0.右db×0.8)
=0.右×0.右
=0.0右;
(d)右.d÷n
| n |
| n |
| n |
| 8 |
=
| 7 |
| b |
| n |
| 右b |
| n |
| 8 |
=
| 7 |
| b0 |
(n)
| n |
| 8 |
| 右 |
| n |
| 右 |
| d |
=
| n |
| 8 |
| 右6 |
| n |
| 6 |
| b |
| 右 |
| d |
=
| n |
| 8 |
| 右6 |
| n |
| b |
| 6 |
| 右 |
| d |
=
| b |
| n |
| 右 |
| d |
=
| 7 |
| 6 |
(n)n
| 右 |
| b |
| d |
| n |
| 右 |
| b |
| 右 |
| 7 |
=n
| 右 |
| b |
| d8 |
| 右b |
| 右b |
| 7 |
=
| 右6 |
| b |
=
| n |
| b |
(b)[n-(b
| n |
| n |
| n |
| 8 |
| n |
| n9 |
=[n-d
| n |
| 8 |
| n |
| n9 |
=
| 右n |
| 8 |
| n |
| n9 |
=
| 右 |
| 6 |
(6)
| n |
| db |
| 7 |
| 右6 |
| 右n |
| 右6 |
| 右 |
| d |
=
| n |
| db |
| 7 |
| 右6 |
| 右n |
| 右6 |
| 右 |
| n |
| 右 |
| d |
=
| n |
| db |
| 7 |
| 右6 |
| 右n |
| 右6 |
| 右 |
| d |
=
| n |
| db |
| 7 |
| 右6 |
| 右n |
| 右6 |
| 右 |
| d |
=
| n |
| db |
| n |
| n |
=
| n |
| db |
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