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Hhhhheeeeelllllllppppppppppppppp class=

Răspuns :

Răspuns:

x:5+210=100×6=600

x:5=600-210=390

x=390:5

x=78

Explicație pas cu pas:

dupa egal semn schimbat:

adica ori = impartit

sau invers

impartit=ori

minus=plus

sau invers

plus=minus

Răspuns:

100×6=600

600-210=390

390×5=1950

X=1950