等于同一个数,=我,=爱,=数,=学,我+爱+数+学=100,怎么解题
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等于同一个数,=我,=爱,=数,=学,我+爱+数+学=100,怎么解题
等于同一个数,=我,=爱,=数,=学,我+爱+数+学=100,怎么解题
等于同一个数,=我,=爱,=数,=学,我+爱+数+学=100,怎么解题
²+?=100
³+2?²+?-100?=0
²+2?-99=0
=9
x+x+x-x+x*x+x/x=100
即
x*x+2*x-99=0
(x+11)*(x-9)=0
所以
x= -11或者x= 9
相加得
2?+0+?*?+1=100
?*?+2?-99=0
(?+11)(?-9)=0
?=-11或?=9