0 5 9 3 2 5 . c o m/nba场均数据怎么统计

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(1)2x-10.3x (2)3x-x-5x (3)-b+0.6b-2.6b(4)m-n²+m-n² (5)2(4x-0.5) (6)-3(1-1/6x)(7)-x+(2x-2)-(3x+5) (8)3a²+a²-(2a²-2a)+(3a-a²)(9)(5a+4a+7b)+(5c-3b-6a) (10)(8xy-x²+y²)-(x²-y²+8xy)(11)(2x²-1/2+3x)-4(x-x²+1/2) (12)3x²-[7x-(4x-3)-2x²]
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(1)2x-10.3x=-8.3x; (2)3x-x-5x =-3x; (3)-b+0.6b-2.6b=(-1+0.6-2.6)b=b;(4)m-n²+m-n² =2m-2n²; (5)2(4x-0.5)=8x-1; (6)-3(1-1/6x)=-3+x/2;(7)-x+(2x-2)-(3x+5)=-x+2x-2-3x-5=-2x-7;(8)3a²+a²-(2a²-2a)+(3a-a²)=3a²+a²-2a²+2a+3a-a²=a²+5a.(9)(5a+4a+7b)+(5c-3b-6a)=(5+4-6)a+(7-3)b+5c=3a+4b+5c;(10)(8xy-x²+y²)-(x²-y²+8xy)=8xy--x²+y²-x²+y²-8xy=-2x²+2y²;(11)(2x²-1/2+3x)-4(x-x²+1/2)=2x²-1/2+3x-4x+4x²-2=6x²-x-5/2;(12)3x²-[7x-(4x-3)-2x²]=3x²-[7x-4x+3-2x²]=3x²-7x+4x-3+2x²=5x²-3x-3.
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1)2x-10.3x = 7.7x
(2)3x-x-5x=7.7x
(3)-b+0.6b-2.6b=-3b(4)m-n²+m-n²
=2m-2n²;
(5)2(4x-0.5)=8x-1
(6)-3(1-1/6x)=-3+1/2x(7)-x+(2x-2)-(3x+5)=-4x-7 ...
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(π-√5)^0+丨√6-√9丨+³√-64 √2-√5+√(2√2-3)²-√(√5-3)²√(1/3)²+³√(1-5/9)(1/3-1)(π-√5)^0+丨√6-√9丨+³√-64 √2-√5+√(2√2-3)²-√(√5-3)²√(1/3)²+³√(1-5/9)(1/3-1)
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√(1/3)²+³√(1-5/9)(1/3-1)=1/3-2/3=-1/3(π-√5)^0+丨√6-√9丨+³√-64 =1+3-√6-4=-√6√2-√5+√(2√2-3)²-√(√5-3)²=√2-√5+3-2√2+√5-3=-√2
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计算①9√1/45÷3/2√3/5×1/2√2﹙2/3﹚√6-1②﹙/3√√3/2-1/2√24﹚×﹙-2√6﹚③√8/3+√1/2+√0.125-√6+√32④﹙3-√2﹚²﹙3+√2﹚+﹙3+√2﹚²﹙3-√2﹚
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=-2√6^2-1/3√3/2*(-2√6)-1/2√24*(-2√6)=-12+2/3√3/2*6+√24*6=-12+2/3√9+√24*6=-12+2/3*3+12=2
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1.若a²=9,则a= 若a³=8,则a= 若|a|=5,则a=2.(-1又1/5)²÷3/5×(-5/12)3.(-1/2)²+1/2×(2/3-|2/3-2|)4.-2的5次方÷(-4)×(1/2)²-12×(-15+2的四次方)³5.2又2/9×(-1又1/2³)-(-1.2)²÷0.4²6.-2的四次方-(-2)²-3²÷(-1又1/2)
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1.若a²=9,则a=±3 若a³=8,则a= 2 若|a|=5,则a=±52.(-1又1/5)²÷3/5×(-5/12)=36/25×5/3×﹙﹣5/12﹚=﹣36/25×25/36=﹣13.(-1/2)²+1/2×(2/3-|2/3-2|)=1/4﹢1/2×﹙﹣2/3﹚=1/4﹣1/3=﹣1/124.-2的5次方÷(-4)×(1/2)²-12×(-15+2的四次方)³=2³×1/4﹣12×1³=2﹣12=﹣105.2又2/9×(-1又1/2³)-(-1.2)²÷0.4²=﹣20/9×9/8﹣3²=﹣5/2﹣9=﹣11.56.-2的四次方-(-2)²-3²÷(-1又1/2)=﹣16﹣4﹣9=﹣29
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(-1又1/5)²÷3/5×(-5/12)=36/25*5/3*(-5/12)=-13
(-1/2)²+1/2×(2/3-|2/3-2|)=1/4+1/2(2/3-4/3)=-1/124
-2的5次方÷(-4)×(1/2)&#178;-12×(-15+2的四次方)&#179;=-2*(-1)-12=-10<...
能不能给发个图
第一题:3,2,5/-5
1(1)若a&#178;=9,则a=±3(2)若a&#179;=8,则a= 2(3)若|a|=5,则a=±5
2、 (-1又1/5)&#178;÷3/5×(-5/12)=36/25×5/3×﹙﹣5/12﹚=﹣36/25×25/36=﹣1
3、 (-1/2)&#178;+1/2×(2/3-|2/3-2|)=1...
=(负五分之六)的平方
负十二分之五
二十五分之三十六
负十二分之五
= 二十五分之七十二
负十二分之五
=负五分之六3.
=1/4+1/2*(2/3-1/3)=1/4+1/2*1...
若a&#178;=9,则a=±3
若a&#179;=8,则a= 2
若|a|=5,则a=±52.
(-1又1/5)&#178;÷3/5×(-5/12)=36/25×5/3×﹙﹣5/12﹚=﹣36/25×25/36=﹣13.
(-1/2)&#178;+1/2×(2/3-|2/3-2|)=1/4﹢1/2×﹙﹣2/3...
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