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Bubulica08
a fost răspuns

204+[100-3x(40-28:x)]=27x16-12x18-11 va rogg repede dau coroana

Răspuns :

Rebeca2814

204+[100-3x(40-28:x)]=27x16-12x18-11

204+[100-3×(40-28:x)]=432-216-11

204+[100-3×(40-28:x)]=205

100-3×(40-28:x)=205-204=1

3×(40-28:x)=100-1=99

40-28:x=99:3=33

28:x=40-33=7

x=28:7=4

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