Răspuns :
a=(5x7)/3=35/3
35/3+(35/3+7)/7=35/3+[(35+21)/3]/7=35/3+56/21=(35x7+56)/21=(245+56)/21=301/21=14,(3)
35/3+(35/3+7)/7=35/3+[(35+21)/3]/7=35/3+56/21=(35x7+56)/21=(245+56)/21=301/21=14,(3)
a/7 = 5/3
a=5/3 ×7/1
a=5×7 totul supra /3×1
a=35/3
a+7/7 =
35/3 +7 totul supra /7 =
=35+3×7 totul supra/3 tot asta supra /7=
=35+21 totul supra /3 tot ăsta supra /7=
=56/3 totul supra /7=
=56/3 :7/1=
=56/3 ×1/7=
=8×1 totul supra /3×1=
=8/3
a=5/3 ×7/1
a=5×7 totul supra /3×1
a=35/3
a+7/7 =
35/3 +7 totul supra /7 =
=35+3×7 totul supra/3 tot asta supra /7=
=35+21 totul supra /3 tot ăsta supra /7=
=56/3 totul supra /7=
=56/3 :7/1=
=56/3 ×1/7=
=8×1 totul supra /3×1=
=8/3