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Cine imi poate explica rezolvarea 1/3:4 +1/6=?

Răspuns :

1/3:4+1/6=1/3x1/4+1/6= 1/12+1/6=1/12+2/12=3/12=1/4
1/3:4+1/6=?
1/3×1/4+1/6=
1/12+1/6=
1/12+2/12=3/12=》1/4