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Sarah007
a fost răspuns

[(30+5:5)•10-23]:7=
[(20:4)•5-20]•2-6=
Urgent dau coroana

Răspuns :

[(30+5:5)*10-23]:7=[(30+1)*10-23]:7=(31*10-23):7=(310-23):7=41

[(20:4)*5-20]*2-6 =(5*5-20)*2-6=(25-20)*2-6=5*2-6=4
[(30+5:5)·10-23]:7=
=[(30+1)·10-23]:7
=(31·10-23):7
=(310-23):7
=287:7
=41

[(20:4)·5-20]·2-6 =
=(5·5-20)·2-6
=(25-20)·2-6
=5·2-6
=4

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