题目内容
If N is natural number,and
,then the value of N is______.( natural number自然数)
![]()
=53+3×52×2
+3×3×(2
)2+(2
)3
=125+150
+360+48
=485+198
.
当
取2.449时,原式=969.9,N=969.
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题目内容
If N is natural number,and
,then the value of N is______.( natural number自然数)
![]()
=53+3×52×2
+3×3×(2
)2+(2
)3
=125+150
+360+48
=485+198
.
当
取2.449时,原式=969.9,N=969.