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a fost răspuns

(9x8+7+6):[5x4:(3+2)+1] si al doilea ex (1x2+3)x4:5+6+7+8+9

Răspuns :

Madalinnicu200
72+13:5=
85:5=
17 primul exercitui

5x4:5+6+7+8+9=
20:5+6+7+8+9=
4+6+7+8+9=
34  al doilea exarcitiu

Sper ca te-am ajutat.


Guss
(9×8+7+6):[5×4:(3+2)+1]=(72+7+6):(5×4:5+1)=85:(20:5+1)=85:(4+1)=85:5=17....(.1×2+3)×4:5+6+7+8+9=(2+3)×4:5+6+7+8+9=5×4:5+6+7+8+9=20:5+6+7+8+9=4+6+7+8+9=10+15+9=25+9=34