Question

63×63+2×63×37+37×37用简便方法怎么计算

63×63+2×63×37+37×37用简便方法怎么计算

Answer 1

利用完全平方公式
63×63+2×63×37+37×37
=(63+37)²
=100²
=10000

Answer 2

63×63+2×63×37+37×37
=(63+37)x(67+37)
=100x100
=10000

Answer 3

=63*(63+37)+37*(63+37)=(63+37)*(63+37)=10000

Answer 4

(63+37)²=10000