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a fost răspuns

Efectueaza:234×5-81:9 ,(64:4-9)×(8×8-54) ,80:10×10:2+50:5 ,(8:1+9:9)+(30:10 ) ,93-(34-17)×5 25+23×(3+7)-6×0

Răspuns :

Cocoalexandrust
1170-9=1161
18-9ÎX64-54=9X10=90
8X5+10=40+10=50
8+1+3=9+3=12
93-17=76
76X5=380
25+23X10-0=25+230=280

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