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ajutor! repede va rog mult!


Ajutor Repede Va Rog Mult class=

Răspuns :

-45/10+15/9+(-125/100)+23/6=
10=2x5
9=3²
100=2²x5²
6=2x3
[10,9,100,6]=2²x3²x5²=900
(-45x90+15x100-125x9+23x150)/900=
(-4050+1500-1125+3450)/900=225/900=45/180=9/36=1/4