
(-10)+(+6)等于多少
···还有(+12)+(-4)(-5)+(-7)(+6)+(-9)(-0.9)+(-2.7)2/5+(—3/5)(-1/3)+2/5(-31/4)+(—11/12)要过程...
···
还有
(+12)+(-4)
(-5)+(-7)
(+6)+(-9)
(-0.9)+(-2.7)
2/5+(—3/5)
(-1/3)+2/5
(-3 1/4)+(—1 1/12)
要过程 展开
还有
(+12)+(-4)
(-5)+(-7)
(+6)+(-9)
(-0.9)+(-2.7)
2/5+(—3/5)
(-1/3)+2/5
(-3 1/4)+(—1 1/12)
要过程 展开
19个回答
展开全部
(-10)+(+6)
=6-10
=-4
(+12)+(-4)
=12-4
=8
(-5)+(-7)
= -(5+7)
= -12
(+6)+(-9)
= -(9-6)
= -3
(-0.9)+(-2.7)
= -(0.9+2.7)
=3.6
2/5+(—3/5)
= -(3-2)/5
= -1/5
(-1/3)+2/5
= -5/15 + 6/15
=(6-5)/15
=1/15
(-31/4)+(-11/12)
= -(93/12 + 11/12)
= -104/12
= -26/3
=6-10
=-4
(+12)+(-4)
=12-4
=8
(-5)+(-7)
= -(5+7)
= -12
(+6)+(-9)
= -(9-6)
= -3
(-0.9)+(-2.7)
= -(0.9+2.7)
=3.6
2/5+(—3/5)
= -(3-2)/5
= -1/5
(-1/3)+2/5
= -5/15 + 6/15
=(6-5)/15
=1/15
(-31/4)+(-11/12)
= -(93/12 + 11/12)
= -104/12
= -26/3

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展开全部
(-10)+(+6)等于-4
(+12)+(-4) =8
(-5)+(-7) =-12
(+6)+(-9) =15
(-0.9)+(-2.7) =-3.6
2/5+(—3/5) =-(1/5)
(-1/3)+2/5 =1/5
(-3 1/4)+(—1 1/12)=-(26/3)
(+12)+(-4) =8
(-5)+(-7) =-12
(+6)+(-9) =15
(-0.9)+(-2.7) =-3.6
2/5+(—3/5) =-(1/5)
(-1/3)+2/5 =1/5
(-3 1/4)+(—1 1/12)=-(26/3)
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展开全部
(-10)+(+6)
=6-10
=-4
(+12)+(-4)
=12-4
=8
(-5)+(-7)
= -(5+7)
= -12
(+6)+(-9)
= -(9-6)
= -3
(-0.9)+(-2.7)
= -(0.9+2.7)
=3.6
2/5+(—3/5)
= -(3-2)/5
= -1/5
(-1/3)+2/5
= -5/15 + 6/15
=(6-5)/15
=1/15
(-31/4)+(-11/12)
= -(93/12 + 11/12)
= -104/12
= -26/3
简单
=6-10
=-4
(+12)+(-4)
=12-4
=8
(-5)+(-7)
= -(5+7)
= -12
(+6)+(-9)
= -(9-6)
= -3
(-0.9)+(-2.7)
= -(0.9+2.7)
=3.6
2/5+(—3/5)
= -(3-2)/5
= -1/5
(-1/3)+2/5
= -5/15 + 6/15
=(6-5)/15
=1/15
(-31/4)+(-11/12)
= -(93/12 + 11/12)
= -104/12
= -26/3
简单
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展开全部
(-10)+(+6)=-4
(+12)+(-4)=8
(-5)+(-7)=-12
(+6)+(-9)=-3
(-0.9)+(-2.7)=-3.6
2/5+(—3/5)=-1/5
(-1/3)+2/5 =1/15
(-3 1/4)+(—1 1/12)=-104/12
(+12)+(-4)=8
(-5)+(-7)=-12
(+6)+(-9)=-3
(-0.9)+(-2.7)=-3.6
2/5+(—3/5)=-1/5
(-1/3)+2/5 =1/15
(-3 1/4)+(—1 1/12)=-104/12
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展开全部
-10 + 6 =-4
剩下的
8
-12
-3
-3.6
-1/5
-1/15
-25/6
-4 1/6
剩下的
8
-12
-3
-3.6
-1/5
-1/15
-25/6
-4 1/6
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