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va roggggg ! Dau coroana !

Va Roggggg Dau Coroana class=

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a=19x2=38
b=15x3=45
c=40:4=10

axbxc=38x45x10
Beenbeembeen
A=19+19
A=28

B=15+15+15
B=30+15
B=45

C=40:4
C=10

A×B×C=28×45×10
A×B×C=1260×10
A×B×C=12600



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(19+19)×(15+15+15)×(40:4)=
=28×(30+15)×10
=28×45×10
=1260×10
=12600

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