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       > ̌W(xu)о > СW(xu) > W(xu)ƽ̌W(xu) > (sh)W(xu) > 

      СW(xu)(sh)W(xu)ȌW(xu)̡̌W(xu)O(sh)Ӌ-С=傥

      l(f)ߣcj_jyk   l(f)rg2016-01-04 10:15:43   c(sh):

      ̲׃Ҏ(gu)ɡ̌W(xu)O(sh)Ӌ
      СW(xu)
      ̌W(xu)Ŀˣ
      1(jng)v̽cl(f)F(xin)̲׃Ҏ(gu)ɵ^̲׃Ҏ(gu)l(f)չ}ͽQ}
      2Y(ji)ϾwĆ}\̲׃Ҏ(gu)Һݵ\;㷨ĶӻwҎ(gu)ɵărֵ\
      3W(xu)̽^B(yng)˼˼|(zh)ɵČW(xu)(x)(x)T
      ̌W(xu)c(jng)v̽^̣l(f)F(xin)̲׃Ҏ(gu)
      ̌W(xu)yc\̲׃Ҏ(gu)MһЩӋ㡣
      ̌W(xu)ʂ ýwn
      ̌W(xu)^ :
      һ龳(chung)O(sh)Ȥ|(zh)ɣ
      1.(f)(x)f֪ }
      2.һ֪ 
      8÷2= 4         48÷24=2
      80 ÷20= 4        24÷12=2
      800 ÷200= 4      6÷3=2
      3.^@Щʽl(f)F(xin)ʲô һ
      4ʾn} 
      ՈͬW(xu)һ@׵ʽʲô׃(sh)ͳ(sh)
      ʲô]׃̣ 
      (j)W(xu)l(f)F(xin)̎w{Ҫc(sh)ͳ(sh)׃ˣ̛]׃ ʲô(sh)ͳ(sh)׃ˣ̅sֲ׃@Л]ʲôҎ(gu)Ҏ(gu)ɣ҂һоҪʹ̲׃(sh)ͳ(sh)׃ʲôҎ(gu)
      l(f)F(xin)Ҏ(gu)ɣȌW(xu)
      1.ʾԌW(xu)ʾ
      1^죺ڶʽеı(sh)(sh)cһʽЛ]׃ʲô׃cһأһ
      2^죺ʽеı(sh)(sh)cһʽЛ]׃ʲô׃ڶʽcһһ
      4    СMW(xu)(x)Ȫ˼xӋ㡢^l(f)F(xin)һ
      4W(xu)(x)rg5-7
      2.СMR󣬲ώͬW(xu)Ćl(f)뷨 
      СMøԵķʽMб^ʲôl(f)F(xin)r\ðl(f)F(xin)Ҏ(gu)CǷ_ hһh
      3R hһh 
      (sh)ͳ(sh)ͬrԣԣͬĔ(sh) 
      ̎(j)ͬr(do)ͬW(xu)֮g໥Mз^óY(ji)Փ{(dio)“ͬr”“ͬ” ̣
      (do)W(xu)ͨ^̽l(f)F(xin)̲׃Ҏ(gu)̎rڳ(sh)ͳ(sh)ͬr˻ͬĔ(sh)̲׃̣
      4eCһ
      |(zh)ɣ@Ҏ(gu)Ƿձ              
      “类(sh)ͳ(sh)ͬr˻ͬĔ(sh)ʲô(sh)Ԇ0أ׃׃”׌W(xu)eCչ_չʾ
      ͨ^eCW(xu)ͬr˻ͬĔ(sh)0ҪƸ̲׃Ҏ(gu)ɣڳ(sh)ͳ(sh)ͬr˻ͬĔ(sh)0⣩̲׃
      5ͬY(ji)Ҏ(gu)ɣoҎ(gu)̲׃hһh 
      6֪W(xu)(x)̲׃Ҏ(gu)ʲôÆ
      (dng)Ӗ(xn)
      һ\Ҏ(gu)Q}һ
      1W(xu)B(yng)W(xu)^ܸ(j)Ҏ(gu)}
      1 18÷6=3
      18 × 2 ÷6 × 2=
      18 ÷ 3 ÷6 ÷ 3=
      2 72÷9                 36÷3
      720÷90               360÷30
      7200÷900             3600÷300
      2úQʽMгӋ
      “һЩʽ(yng)̲׃Ҏ(gu)Ӌ^㡣”
      ʾ950÷50 Qʽ
      W(xu)^죺“ゃff@ô†”
      W(xu)Ӌ㣺480÷60            6300÷70
      3.Д} 1200÷30=12÷3=4 ᣿ff 
      Uչ(yng) һ
      1.ڡm(dng)?sh)\̖ڡmĔ(sh) 
      210÷30=210÷10÷30 600÷25=600×4 ÷25 
      2 200÷50=200÷50 
      1жٷNͬ 
      2С˰ѳ(sh)ٔ(sh)@ģںġ“+”50ôǰġ𡢡 քeff@ɡ 
      200÷50=200÷50+50 
      nСY(ji) @һ(ji)n҂оl(f)F(xin)ʲôʲôի@߀ʲô}᣿ 
       
       

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