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514与213的和减去它们的差,结果是多少?正确的算式是()A.514+213-514-213B.514-213+514-213C.514+213-(514-213)D.514+213+(514-213)
题目详情
5
与2
的和减去它们的差,结果是多少?正确的算式是( )
A.5
+2
-5
-2
B.5
-2
+5
-2
C.5
+2
-(5
-2
)
D.5
+2
+(5
-2
)
与2
的和减去它们的差,结果是多少?正确的算式是( )
A.5
+2
-5
-2
B.5
-2
+5
-2
C.5
+2
-(5
-2
)
D.5
+2
+(5
-2
)
1 1 4 4
的和减去它们的差,结果是多少?正确的算式是( )
A.5
+2
-5
-2
B.5
-2
+5
-2
C.5
+2
-(5
-2
)
D.5
+2
+(5
-2
)
1 1 3 3
+2
-5
-2
B.5
-2
+5
-2
C.5
+2
-(5
-2
)
D.5
+2
+(5
-2
)
1 1 4 4
-5
-2
B.5
-2
+5
-2
C.5
+2
-(5
-2
)
D.5
+2
+(5
-2
)
1 1 3 3
-2
B.5
-2
+5
-2
C.5
+2
-(5
-2
)
D.5
+2
+(5
-2
)
1 1 4 4
B.5
-2
+5
-2
C.5
+2
-(5
-2
)
D.5
+2
+(5
-2
)
1 1 3 3
-2
+5
-2
C.5
+2
-(5
-2
)
D.5
+2
+(5
-2
)
1 1 4 4
+5
-2
C.5
+2
-(5
-2
)
D.5
+2
+(5
-2
)
1 1 3 3
-2
C.5
+2
-(5
-2
)
D.5
+2
+(5
-2
)
1 1 4 4
C.5
+2
-(5
-2
)
D.5
+2
+(5
-2
)
1 1 3 3
+2
-(5
-2
)
D.5
+2
+(5
-2
)
1 1 4 4
-(5
-2
)
D.5
+2
+(5
-2
)
1 1 3 3
-2
)
D.5
+2
+(5
-2
)
1 1 4 4
)
D.5
+2
+(5
-2
)
1 1 3 3
+2
+(5
-2
)
1 1 4 4
+(5
-2
)
1 1 3 3
-2
)
1 1 4 4
)
1 1 3 3
| 1 |
| 4 |
| 1 |
| 3 |
A.5
| 1 |
| 4 |
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| 3 |
B.5
| 1 |
| 4 |
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| 3 |
C.5
| 1 |
| 4 |
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| 3 |
D.5
| 1 |
| 4 |
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| 3 |
A.5
| 1 |
| 4 |
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| 3 |
B.5
| 1 |
| 4 |
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| 3 |
C.5
| 1 |
| 4 |
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| 3 |
D.5
| 1 |
| 4 |
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| 3 |
A.5
| 1 |
| 4 |
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| 3 |
B.5
| 1 |
| 4 |
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| 3 |
C.5
| 1 |
| 4 |
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| 3 |
D.5
| 1 |
| 4 |
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| 3 |
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| 3 |
B.5
| 1 |
| 4 |
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| 3 |
C.5
| 1 |
| 4 |
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| 3 |
D.5
| 1 |
| 4 |
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| 3 |
B.5
| 1 |
| 4 |
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| 3 |
C.5
| 1 |
| 4 |
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| 3 |
D.5
| 1 |
| 4 |
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| 3 |
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| 3 |
B.5
| 1 |
| 4 |
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| 3 |
C.5
| 1 |
| 4 |
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| 3 |
D.5
| 1 |
| 4 |
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| 3 |
B.5
| 1 |
| 4 |
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| 3 |
C.5
| 1 |
| 4 |
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| 3 |
D.5
| 1 |
| 4 |
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| 3 |
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| 3 |
C.5
| 1 |
| 4 |
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| 3 |
D.5
| 1 |
| 4 |
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| 3 |
C.5
| 1 |
| 4 |
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| 3 |
D.5
| 1 |
| 4 |
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| 3 |
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| 3 |
C.5
| 1 |
| 4 |
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| 3 |
D.5
| 1 |
| 4 |
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| 3 |
C.5
| 1 |
| 4 |
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| 3 |
D.5
| 1 |
| 4 |
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| 3 |
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| 3 |
D.5
| 1 |
| 4 |
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| 3 |
D.5
| 1 |
| 4 |
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| 3 |
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| 3 |
D.5
| 1 |
| 4 |
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| 3 |
D.5
| 1 |
| 4 |
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| 3 |
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
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| 1 |
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▼优质解答
答案和解析
(5
+2
)-(5
-2
)
=
+
-
+
=
故选:C.
1 1 14 4 4+2
)-(5
-2
)
=
+
-
+
=
故选:C.
1 1 13 3 3)-(5
-2
)
=
+
-
+
=
故选:C.
1 1 14 4 4-2
)
=
+
-
+
=
故选:C.
1 1 13 3 3)
=
+
-
+
=
故选:C.
21 21 214 4 4+
-
+
=
故选:C.
7 7 73 3 3-
+
=
故选:C.
21 21 214 4 4+
=
故选:C.
7 7 73 3 3
=
故选:C.
14 14 143 3 3
故选:C.
| 1 |
| 4 |
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| 3 |
=
| 21 |
| 4 |
| 7 |
| 3 |
| 21 |
| 4 |
| 7 |
| 3 |
=
| 14 |
| 3 |
故选:C.
| 1 |
| 4 |
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| 3 |
=
| 21 |
| 4 |
| 7 |
| 3 |
| 21 |
| 4 |
| 7 |
| 3 |
=
| 14 |
| 3 |
故选:C.
| 1 |
| 3 |
| 1 |
| 4 |
| 1 |
| 3 |
=
| 21 |
| 4 |
| 7 |
| 3 |
| 21 |
| 4 |
| 7 |
| 3 |
=
| 14 |
| 3 |
故选:C.
| 1 |
| 4 |
| 1 |
| 3 |
=
| 21 |
| 4 |
| 7 |
| 3 |
| 21 |
| 4 |
| 7 |
| 3 |
=
| 14 |
| 3 |
故选:C.
| 1 |
| 3 |
=
| 21 |
| 4 |
| 7 |
| 3 |
| 21 |
| 4 |
| 7 |
| 3 |
=
| 14 |
| 3 |
故选:C.
| 21 |
| 4 |
| 7 |
| 3 |
| 21 |
| 4 |
| 7 |
| 3 |
=
| 14 |
| 3 |
故选:C.
| 7 |
| 3 |
| 21 |
| 4 |
| 7 |
| 3 |
=
| 14 |
| 3 |
故选:C.
| 21 |
| 4 |
| 7 |
| 3 |
=
| 14 |
| 3 |
故选:C.
| 7 |
| 3 |
=
| 14 |
| 3 |
故选:C.
| 14 |
| 3 |
故选:C.
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