4.2
4.2ڶ
ˣ4.2402ס
504= - - - 4.2= - - - - - - 107=...
(1)504=5.04; (2)4.2=420;(3)107=10.7; (4)0.06ƽǧ=6.ʴΪ:5.04,4,20,10.7,6.
420Ƕ
420=4.2=42=420
θݿĴС,ȷɳijߴ?
Ľ4.2,ɳǽĿ3.6ס ôӦùʲôĿʽ,ɳ?ͽ?ʾȫ ע59 209,680...
4.2ڶס
ˣ4.2420סڹʳȵλϵУλףλססλ֮Ļϵǣ1=10=100=1000...
42״ڻСڻ4.2
42С4.2 1=100 4.2ס100=420 42=402 4
4.2ûʸ֤ô
4.2ûʸ֤,Բðʸ֤4.2ʽػ,زܴ4.5֡ͨ䲿칫ȡ4.5...
4.2Ļװװлл - ѷѯ...
1ĵῨػ2.5ס2͡ػ,ҳ,߶ȴӵó4,˼װij4.2;ػĻ,߶ȴӵ...
4.2=
4.2=420 ܸΪ!ϿҵĻشġѡΪش𡿰ťлл4