更新时间2022-01-01 14:29:50
4÷(√11-√7)=
解4÷(√11-√7)
=[4(√11+√7)]÷[(√11-√7)(√11+√7)]
=[4(√11+√7)]÷[(√11)²-(√7)²]
=[4(√11+√7)]÷(11-7)
=[4(√11+√7)]÷(11-7)
=√11+√7
4÷(√11-√7)
=4/(√11-√7)
=[4×(√11+√7)]÷[(√11-√7)×(√11-√7)]
=[4×(√11+√7)]÷4
=√11+√7
4÷(√11-√7)
=4×(√11+√7)/[(√11-√7)(√11+√7)]
=4×(√11+√7)/(11-7)
=√11+√7
4÷(√11-√7)
=4(√11+√7)/[(√11+√7)(√11-√7)]
=4(√11+√7)/[(√11)²-(√7)²]
=4(√11+√7)/(11-7)
=4(√11+√7)/4
=√11+√7
4÷(√11-√7)
(11-7)÷(√11-√7)
=(√11+√7)(√11-√7)÷(√11-√7)
=√11+√7
4÷(√11-√7)
=4/(√11-√7)
=4(√11+√7)/[(√11-√7)(√11+√7)]
=4(√11+√7)/(11-7)
=4(√11+√7)/4
=√11+√7
=3.3166247903553998491149327366707......+2.6457513110645905905016157536393......
=5.9623761014199904396165484903099......
4÷(√11-√7)=4(√11+√7)/(√11-√7)(√11+√7)=4(√11+√7)/4=√11+√7