Răspuns :
2/5x=278
x=278*5/2
x=695
2/5*695=2*139=278
2/5*X=278
2X/5=278/1 SE INMULTESC PE DIAGONALA
2x=5*278
2x=1390
x=1390;2
x=695
x=278*5/2
x=695
2/5*695=2*139=278
2/5*X=278
2X/5=278/1 SE INMULTESC PE DIAGONALA
2x=5*278
2x=1390
x=1390;2
x=695
2/5 × x = 278
Cuvantul "Din" mereu inseamna × (inmultire)
Si vine 2x/5 = 278
2x=5×278
x=1390/2
x=695
Cuvantul "Din" mereu inseamna × (inmultire)
Si vine 2x/5 = 278
2x=5×278
x=1390/2
x=695