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MaryAne1
a fost răspuns

calculeaza 5×a-b:4+2×c,stiind ca: a=5×4:2+(27:3+10×3); b=(48-23)×8:10; c=305-(14×8+170)

Răspuns :

Sdanutza
a= 10+39=49
b= 25×8÷10= 20
c= 305-282=23
5×49-20÷4+2×23= 245-5+46=286

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