满足条件A^2+B^2=C^2的三个正整数,称为勾股数,观察下面的勾股数a b c5=2+3 12=2×2×3 13= ? 7=3+ 4 24=2×3×4 25= ?9=4+5 40=2×4×
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![满足条件A^2+B^2=C^2的三个正整数,称为勾股数,观察下面的勾股数a b c5=2+3 12=2×2×3 13= ? 7=3+ 4 24=2×3×4 25= ?9=4+5 40=2×4×](/uploads/image/z/2090573-53-3.jpg?t=%E6%BB%A1%E8%B6%B3%E6%9D%A1%E4%BB%B6A%5E2%2BB%5E2%3DC%5E2%E7%9A%84%E4%B8%89%E4%B8%AA%E6%AD%A3%E6%95%B4%E6%95%B0%2C%E7%A7%B0%E4%B8%BA%E5%8B%BE%E8%82%A1%E6%95%B0%2C%E8%A7%82%E5%AF%9F%E4%B8%8B%E9%9D%A2%E7%9A%84%E5%8B%BE%E8%82%A1%E6%95%B0a++++++++++++++++++++++b+++++++++++++++++++++++++c5%EF%BC%9D2%2B3++++++12%EF%BC%9D2%C3%972%C3%973++++++++++13%EF%BC%9D+%3F++++++++++7%EF%BC%9D3%2B+4+++++24%EF%BC%9D2%C3%973%C3%974++++++++++25%EF%BC%9D+%3F9%EF%BC%9D4%2B5++++++40%EF%BC%9D2%C3%974%C3%97)
满足条件A^2+B^2=C^2的三个正整数,称为勾股数,观察下面的勾股数a b c5=2+3 12=2×2×3 13= ? 7=3+ 4 24=2×3×4 25= ?9=4+5 40=2×4×
满足条件A^2+B^2=C^2的三个正整数,称为勾股数,观察下面的勾股数
a b c
5=2+3 12=2×2×3 13= ?
7=3+ 4 24=2×3×4 25= ?
9=4+5 40=2×4×5 41= ?
当a=2n+1时,b=________,c=________.
满足条件A^2+B^2=C^2的三个正整数,称为勾股数,观察下面的勾股数a b c5=2+3 12=2×2×3 13= ? 7=3+ 4 24=2×3×4 25= ?9=4+5 40=2×4×
a b c
5=2+3 12=2×2×3 13=2×2×3+1
7=3+ 4 24=2×3×4 25=2×3×4+1
9=4+5 40=2×4×5 41=2×4×5+1
当a=2n+1时,b=__2n^2+2n______,c=____2n^2+2n+1____.