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ǰλãҳ > 新北师大版六年级第四单元-《正比例与反比例》教?- 百度文库

新北师大版六年级第四单元-《正比例与反比例》教?- 百度文库

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  • 2025/5/4 13:52:05

ѧ 㱨 ڶ𰸣˵ɡ ġϰ գ 1.Чһʱ͹ɣ 2.һ̳ɣ 3.Բֱܳɣ 4.һ˵߳ɣ 5.ʳ150úѾյúʣúɣ 塢չ һľϾ4Ҫ24ӣٶȣľϾ7ΣҪö೤ʱ䣿 չ ϰ y=kһ x xy=Kһ

ѧ˼

뷴ϰ

һ⣨64֣ 1.һ룬һ20֣

1һ仯һҲű仯Ӧıֵһ ǵĹϵУ

2ĸxyʾkʾǵĻһϵԱʾΪ

3xy=15xyɣ 4xy=5ôxyɣ

5Ϊɣ 2.иеDzdzɱʲô20֣ 1ٶһʱʻ·̺ʱ䡣 2ܲһÿͲֵĹ 3һ˵ߡ 4ͬǦʵܼۡ 5һʱһһ 3.Ժȷ𰸵ڣ24֣

1ͬש̵أ36ƽҪ1236飬90ƽҪöٿשģ һġ A. B. ÿש C. שܿ

2ǣ A. ֵһķӺͷĸ B. Ϣһʺͱ C. һ͸

3һʱһõʱĸ A. B. ɷ C. ɱ

4ƽıεĵһߺ A. B. ɷ C. ɱ

5ǿһ飬ÿ쿴ҳõ A. B. ɷ C. ɱ

6һ仯һҲű仯 ɱ

A. һ B. һ C. һ

ϰ⣨36֣

1.еӹһÿСʱӹͼӹʱ±18֣ ÿСʱӹ

3 6 9 12 18 20 30 ӹʱ

ʱ 60 30 20 15 10 9 6

1ǣ ͣ

2ÿСʱӹĸͼӹʱӦĻǣ 3ÿСʱӹͼӹʱɣ

2.֮ĹϵһһгɷĹϵʽ18֣ 1ε = һ 2ܼۡ

= һ 3ʱ䡢Чʡ = һ

꼶3ѧѧ

У԰ƽͼ ʱ 1.ʵй̱֪ʶͬʱñ֪ʶ򵥵ʵ⡣ ѧĿ 2.ͨһ⡱һʡȻѧ̽ʵķѧʵʲʵ 3.ڻѧŽЭ񣬹ѧ۲ʶΧѧ֪ʶʹѧܵѧʵϵ ѧص ۺ÷λãȵλƽͼΣԳƣߵ֪ʶУ԰ƽͼĹ̡ ȷշȷIJշΪ׼ijļʾͼ μ¼ Сѧϰ ѧ ѧڼ ѧ ѧѵ ѧ׼ ѧ

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ѧ 㱨 ڶ𰸣˵ɡ ġϰ գ 1.Чһʱ͹ɣ 2.һ̳ɣ 3.Բֱܳɣ 4.һ˵߳ɣ 5.ʳ150úѾյúʣúɣ 塢չ һľϾ4Ҫ24ӣٶȣľϾ7ΣҪö೤ʱ䣿 չ ϰ y=kһ x xy=Kһ ѧ˼ 뷴ϰ һ⣨64֣ 1.һ룬һ20֣ 1һ仯һ

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