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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)
傥
̌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.СMRώͬW(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)֮gMз^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}