1䶯ɱķ
ֱӲϡֱ˹ͱ䶯öڱ䶯ɱʵʳɱߵȡʵʵʼ۸ɱĸߵȡڱͱ۸ɱɹΪ۸ɵļ۸ɵࡣ
ɱ=ʵʳɱ-ɱ
=ʵʵʼ۸-۸
=ʵʵʼ۸-ʵ۸+ʵ۸-۸
=ʵʵʼ۸-۸+(ʵ-)۸
=۸+쪥
(1)ֱӲϵijɱ
ϼ۸=ʵ(ʵʼ۸-۸)
=ʵ-۸
ϼ۸ڲɹγɵģӦɺòϵŸ𣬶ӦɲɹŶ˵
ڲϺùγɵģӳŵijɱҵ
(2)ֱ˹ɱ쪥
ʲ=ʵʹʱʵʹ-ʣ
˹Чʲ=ʵʹʱ-ʱʪ
ʲγɵԭһ˵ӦͶŹľԭ漰Żš
ֱ˹ЧʲγԭҪŵΣҲǾԵģãҲӰЧʡ
(3)䶯õIJ
䶯úķѲ=ʵʹʱ䶯ʵʷ-䶯ñʣ
䶯=ʵʹʱ-ʱ䶯ñʪ
䶯õĺķѲDzžΣν䶯ÿڵԤ֮ڡ
䶯Чʲγԭ˹Чʲͬ
ֱӲϡֱ˹ͱ䶯öڱ䶯ɱʵʳɱߵȡʵʵʼ۸ɱĸߵȡڱͱ۸ɱɹΪ۸ɵļ۸ɵࡣ
ɱ=ʵʳɱ-ɱ
=ʵʵʼ۸-۸
=ʵʵʼ۸-ʵ۸+ʵ۸-۸
=ʵʵʼ۸-۸+(ʵ-)۸
=۸+쪥
(1)ֱӲϵijɱ
ϼ۸=ʵ(ʵʼ۸-۸)
=ʵ-۸
ϼ۸ڲɹγɵģӦɺòϵŸ𣬶ӦɲɹŶ˵
ڲϺùγɵģӳŵijɱҵ
(2)ֱ˹ɱ쪥
ʲ=ʵʹʱʵʹ-ʣ
˹Чʲ=ʵʹʱ-ʱʪ
ʲγɵԭһ˵ӦͶŹľԭ漰Żš
ֱ˹ЧʲγԭҪŵΣҲǾԵģãҲӰЧʡ
(3)䶯õIJ
䶯úķѲ=ʵʹʱ䶯ʵʷ-䶯ñʣ
䶯=ʵʹʱ-ʱ䶯ñʪ
䶯õĺķѲDzžΣν䶯ÿڵԤ֮ڡ
䶯Чʲγԭ˹Чʲͬ
ࣺonmars