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Worksheets乘法公式我最行
Total questions: 7
Worksheet time: 7mins
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Worksheets展开expand(x+2)(x-2)=
x2 + 4
x2 - 4
x2 - 2
x-2
展开expand(7+ xy)(7 - xy).
49 - xy
49 - x2y2
7 - xy
7 - x2y2
展开expand(x-y)(-x-y).
-x2+y2
x2+y2
x2-y2
x + y
展开expand (x + y)2
x2 + 2xy +y2
x + 2xy + y
2x +2y
x2+ y2
Expand (2x - 3)2
4x2 - 4xy + y2
4x2 - 12xy + 9y2
x2 - 2xy + y2
2x2 + 4xy + y2
Calculate 10052 by using perfect square(完全平方公式)
1010025
2010
101025
111
Calculate 96 x 104 by using difference of two squares (平方差公式)
948
1999
9984
10984
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