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Автор - LeraReih120406

ПОМОГИТЕ, СРОЧНО!!!!!ДАЮ 20 БАЛЛОВ!!!​

Ответ

Автор - армения20171
s1=4*2=8
s2=5*1=5
s3=2*3*1=6
S4=2*1*1/2=1
s=s1+s2+s3+s4=8+5+6+1=20(cm²)
1782m²=17820000cm²

17820000:20=891000


otvet 1:891000

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