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Catacatalin980
a fost răspuns

7/180+7/84+11/210= ??

Răspuns :

Mariacris1
7/180+7/84+11/210=
180=2²x3²x5
84=2²x3x7
210=2x3x5x7
cmmmc=2²x3²x5x7=1260
=(7*7+7*15+11*6)/1260=
=(49+105+66)/1260=
=220/1260=
=22/126=
=11/63