苏教版五年级数学上册全册导学?015.7.5 - 百度文库

ġջ

꼶ѧ嵥Ԫ̵Ľѧ

8ʱ ڿ ˣϼ ˣ¬ڷ

ѧϰĿ

1աһ͡ȥβķͺ 2áһ͡ȥβȡ̵Ľֵ 3Ӧ ص㡢ѵ ص㡰һȥβʵеӦ ѵ㣺ʵҪӦ һѧϰ

1ܽ2.5ǧ˵ͷװ0.4ǧ˵ƿ ʵһ°ɣ2.50.4= ˼76أ

660.4=2.4ǧˣ

ʣµ0.1ǧôװ0.1ǧҲҪ װ Ӧ6+1=7

22.50.47 ̵ģ 3ÿ45Ԫ300Ԫ򼸸 ʵһ£30045=

˼6 7 7 ˼ճ棺Ӧ ʵʣӦ

ϣ300456̵ģ

Ҽ

1310Ԫͬ飬ÿ11.5Ԫٱ

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49

2С3180ţ׼50ƿװҪٸ 3ʦ80Ԫľߣ45.6Ԫ8飬ʣµǮֱÿ֧2.5Ԫأ

꼶ѧ嵥Ԫ̵Ľѧ

9ʱ ڿ ˣϼ ˣ¬ڷ

ѧϰĿ

1ѭССȸ

2ѭСѧӦۺ ص㡢ѵ

ص㣺ѭССȸ ѵ㣺Ӧۺ һѧϰ

1ԣ1ԪǮ3ƽ֣12ƻ11ƽ֣ҷˣ СʲôСأ

2400ֻ75룬ƽٶǶ٣

340075=5.333?? 13=0.333?? 1211=1.090909?? ֣Сֳظ֣ظֵͬ

ôһС֣ijһλһֻ򼸸βظ֣СУ С Сֵλ޵ģֽУ С Сλ޵,У С .

1.090909?? 3ѭСļ磺3.333??

Ҽ

11.666?? 1.3 7.14545?? 0.2142857142857?? 3.1415926 6.9258258?? ѭСĴ򡰡̡ 23.2525??

3 1.066?? 17.0651651?? 4дС

3.81?? 3.81 3.88 3.8

꼶ѧ

50

5˼ҹŴѧ֮Բ3.14159263.1415927֮䣬ѭС

6 3.818818?? 0.214281428?? 3.14651651?? 3.4343434??ѭʲôô

꼶ѧϲ Ԫ ͳƱͳͼ

ͣڿ һ ʽͳƱ ˣΰ ˣ¬ڷ ѧĿ꣺1.ѧͳƻʶʽͳƱܸռ

дͳƱ

2.ܸͳƱеݽм򵥵ķ

ѧص㣺ѧʶʽͳƱĽṹдʽͳƱ򵥷

ѧѵ㣺ѧʶʽͳƱĽṹ ѧ̣ һѧϰ

1. ѧP84ҳ1⡣Ĭݡ«˿ӡСĸȤСͳƱݡ

2. ܰP84ҳĸʽͳƱ 3. ݴɫͼƬͳƱ 4. Сչʾԣ

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51

̽

1. ĸȤСĵһˣŮأ 2. ĸȤСһˣģ

3. ӸʽͳƱУ㻹ܻЩϢʾͳƱȣʽͳƱʲôŵ㣿3㣬Լҡ 4. Сչʾ⣨ԣ ü

P85ҳ һ

1. ֻѡһ֣ѧϰʲôͬѧأСŮЩϲʲô 2. 飬ռݺP85ҳ 3. ش⡣

1. ͬѧѧࣿ 2. ѧϰࣿŮأ

ģչ죺

1. ѧP86.ϰʮ壬һ 2. ʦܽᡣԣ 壩ҵ P87 3 4 κҵ P87 2

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52

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