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新人教版五年级数学下册第三单元教?- 百度文库

Դû ʱ䣺2025/7/23 5:30:36 loading ƪĵֻ
˵ݽԤݿܲȫҪĵҪݣwordʹáword΢ź:xxxxxxxQQxxxxxx ܸṩĵл֧½⡣

ѧѵ㣺λĽʡ ѧѵ㣺λĽʵĻۡ ѧƣ һ

1_______λõλЩ 2գ

1ǣ λ. 1ƽǣ λ. 1ǣ λ ˵һ˵㳤____λ____λ____λ 1= ף 1ƽ=( )ƽ 1= 1 ƽ= ƽ

1λ֮Ľʣ

1ⳤǣ׵壬ǣסһǶף

ⳤλ101010=1000 1ƽףҲ100ƽףļ㹫ʽ10010=1000ƽ

ͨղŵļܸߴʲô1=1000 2ķ1ƽ׵ڶƽ

ⳤ1׵壬ǣ ⳤλ101010=1000 1=1000ף飩

3С᣺ ڵλ֮Ľǣ1000 4ϰ

15= 1.5=( ) 2400=( ) 12500=( ) 3.6=( ) 2 50

30

40= (

) ף ף

3һ鳤ĸְ,2.5,1.6,0.02סǶףÿ׵ĸ7.8ǧˡضǧˣ ְ2.51.60.02=0.08() 0.08=80 ְ(ء=): 7.880=624(ǧ) ְ80ף624ǧˡ

ʽΪء= עǰλǷͳһ ַ

1һĸְ壬ⳤ20ףÿ׵ĸ8.9ǧˡضǧˣ

20=2 222=8ף8.98=71.2(ǧ) 2һֲ,4.8,һ߳5׵Ρÿ׸7.8ǧ,ֲضǧ?

3һ鳤468ǧ,֪峤2,1.5,2סÿ׵ضǧ?(з̽) ġջ

ڿѧʲô ѧ˼

ھſʱ ݻ

ѧݣ ݻ ѧĿ꣺ 1֪ݻ

2ݻλͺĽʣλס ֮Ĺϵ 3ݻ ѧص: 1ݻĸ

2ݻĹϵ

ѧѵ㣺 ݻĹϵ

̾ߣͲͬƿ ѧƣ һ

˵㹫ʽ

һСľУѹʵϿƽȻ۳һijߡСľǣ

ʶݻݻλ

1ӡͰֿǵݻ ͨġһ֪СľСľеݻ

2ݻһλǼҺҩˮ͵ȣݻλͺ 3ʾλݻλĹϵ

˵һ˵ЩƷϱͺʲôϵأ ̾ʾ

1L=1000(mL)

1 ˮ1׵

ֽ

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