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Cum pot rezolva? 35*5-54:m*4=139 ;m:2+45-25:(36-99:9)=73

Răspuns :

35x5-54:mx4=139⇒35x5=175

175-54:mx4=139⇒175-139=36
54:mx4=36⇒36:4=9
54:m=9
m=54:9
m=6

m:2+45-25:(36-99:9)=73
m:2+45-25:(36-11)=73
m:2+45-25:25=73
m:2+45-1=73⇒73+1=74
m:2+45=74⇒74-45=29
m:2=29
m=29x2
m=58

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