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[(136:4-29):(2+27:9)]*(7+7*7)=. [(140:5-19)*17+(7*7-2)]:10:4:5=. 5:5*25+[14*15:2-5*(80:4-48:4)]::5=​

Răspuns :

[(136:4-29):(2+27:9)]×(7+7×7)=

[(34-29):(2+3)]×(7+49)=

(5:5)×56=

1×56=56

[(140:5-19)×17+(7×7-2)]:10:4:5=

[(28-19)×17+(49-2)]:10:4:5=

(9×17+47):10:4:5=

(153+47):10:4:5=

200:10:4:5=

20:4:5=

5:5=1

5:5×25+[14×15:2-5×(80:4-48:4)]:5=

1×25+[210:2-5×(20-12)]:5=

25+(105-5×8):5=

25+(105-40):5=

25+65:5=

25+13=38

Sper ca te-am ajutat!