2019北师大版六年级数学下册教?- 百度文库

ɵȷݣƴһƵij.εԲ.

3ʣʲô?õλЩ?

4֪ĵs͸h㳤?(飺=)

ʾѧϰĿ꣺

1ͨиƴϵķʽƵԲʽùʽȷؼԲݻ.

2ѧתѧ˼ͷʵ ѧѧϰP8~10

ҵķ֣Բĵ ΣԷֳȵ ΣȻٰԲЩΣ пƴͽһ .ƽֵķԽֵࣨķżƴԽһ .

ˣԲ=

VʾԲSʾԲĵhʾԲĸߣԲʽĸʾΪ

ʾڼУеIJֱӸԲĵǸ뾶ֱӦ Բ.㹫ʽǣV= . ʵսϰ

֪һӵĵ뾶Ϊ0.4ףΪ5.Ƕ ܽ᣺Ӧע ֪ʶ2Բݻͼ㷽

һ룬һۣ˼һӣȻ뷨ҷ 1һԲɵԲݻ.

磺ԲεˮˮͰװˮˮˮͰݻ.Բݻļ㷽 ļ㷽ͬԲݻ= . 2һԲݻһ

ġѧѧϰչʾ

塢С.

ԲƵ?Բ֪Щ

13 / 22

.ʣܶ?ָһͬѧݣѧϰ.嶩ʽʲô?ӦעЩ?λ)

ѧһԡ

С᣺Բ

֪͸.ֻ֪֪뾶rͨʲô;Բ?֪d?֪̬Ⱥͼֵۣ?֪rd̬ȺͼֵۣҪ.

ϰϰϰ ߡС

ڿѧϰʲô?Բ㣬ʽõ?ָڿΣͨתԲƴתɳ壬(ڿ°飺ԲЩ)óԲ㹫ʽV=Sh.

ˡҵ

κ˼

Բϰ

ѧݣ꼶²һԪP10

14 / 22

ѧĿ꣺

֪ʶһԲ㹫ʽӦõʵʽ. 뷽 ѧĿռ˼άѧʶת˼. ̬ȺͼֵۣԲʽƵ̣ռ㹫ʽùʽԲ.

ѧص㣺Բ㹫ʽ. ѧѵ Բ㹫ʽƵ. ѧ ̽ ѧ̣ һϰ

ʵӦ

˵˼·

˵˵Ľ˼·

עĵطλͳһ

15 / 22

˵˵ĸΪʲô

2ʲô

ֱ˵˵ļ㷽. ҵ

κ˼:

Բ׶

ѧݣ꼶²һԪP11 ѧĿ꣺

֪ʶʹѧԲ׶ļ㹫ʽ 뷽ùʽԲ׶

̬ȺͼֵۣѧĿռ˼άѧʶת˼.

ѧص㣺Բ׶㹫ʽƵ̣ ѧѵ㣺ȷԲ׶㹫ʽ

16 / 22

ϵͷ779662525#qq.com(#滻Ϊ@)