请将此规律转化为表达式(X+1)^2=X^2+2X+1 (2X+1)^2=4X^2+4X+111^2=121 21^2=4411 1 2 4 1 4 121 441(X+2)^2=X^2+4X+4 (2X+2)^2=4X^2+8X+412^2=144 22^2=484 4 4 4 8 1 4 144 484(X+5)^2=X^2+10X+25 (2x+5)^2=4x^2+20X+2515^2=225 25^2 =625 25 25 10 20 1
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请将此规律转化为表达式(X+1)^2=X^2+2X+1 (2X+1)^2=4X^2+4X+111^2=121 21^2=4411 1 2 4 1 4 121 441(X+2)^2=X^2+4X+4 (2X+2)^2=4X^2+8X+412^2=144 22^2=484 4 4 4 8 1 4 144 484(X+5)^2=X^2+10X+25 (2x+5)^2=4x^2+20X+2515^2=225 25^2 =625 25 25 10 20 1
请将此规律转化为表达式
(X+1)^2=X^2+2X+1 (2X+1)^2=4X^2+4X+1
11^2=121 21^2=441
1 1 2 4 1 4 121 441
(X+2)^2=X^2+4X+4 (2X+2)^2=4X^2+8X+4
12^2=144 22^2=484 4 4 4 8 1 4 144 484
(X+5)^2=X^2+10X+25 (2x+5)^2=4x^2+20X+25
15^2=225 25^2 =625 25 25 10 20 1 4 225 625以此类推,此规律变为表达式后应为什么
竟然错位了
请将此规律转化为表达式(X+1)^2=X^2+2X+1 (2X+1)^2=4X^2+4X+111^2=121 21^2=4411 1 2 4 1 4 121 441(X+2)^2=X^2+4X+4 (2X+2)^2=4X^2+8X+412^2=144 22^2=484 4 4 4 8 1 4 144 484(X+5)^2=X^2+10X+25 (2x+5)^2=4x^2+20X+2515^2=225 25^2 =625 25 25 10 20 1
(aX+b)的平方=a的平方X的平方+2abX+b的平方
ab的平方= b的平方
2ab
a的平方