Per resoldre les indeterminacions del tipus 

«math xmlns=¨http://www.w3.org/1998/Math/MathML¨»«mo mathvariant=¨bold¨ mathcolor=¨#003300¨»§#8734;«/mo»«mo mathvariant=¨bold¨ mathcolor=¨#003300¨»-«/mo»«mo mathvariant=¨bold¨ mathcolor=¨#003300¨»§#8734;«/mo»«mo mathvariant=¨bold¨ mathcolor=¨#003300¨»;«/mo»«mo mathvariant=¨bold¨ mathcolor=¨#003300¨»§#160;«/mo»«mfrac mathcolor=¨#003300¨»«mo mathvariant=¨bold¨»§#8734;«/mo»«mo mathvariant=¨bold¨»§#8734;«/mo»«/mfrac»«mo mathvariant=¨bold¨ mathcolor=¨#003300¨»;«/mo»«mo mathvariant=¨bold¨ mathcolor=¨#003300¨»§#160;«/mo»«mn mathvariant=¨bold¨ mathcolor=¨#003300¨»0«/mn»«mo mathvariant=¨bold¨ mathcolor=¨#003300¨»§#183;«/mo»«mo mathvariant=¨bold¨ mathcolor=¨#003300¨»§#8734;«/mo»«mo mathvariant=¨bold¨ mathcolor=¨#003300¨»;«/mo»«mo mathvariant=¨bold¨ mathcolor=¨#003300¨»§#8201;«/mo»«mfrac mathcolor=¨#003300¨»«mn mathvariant=¨bold¨»0«/mn»«mn mathvariant=¨bold¨»0«/mn»«/mfrac»«mo mathvariant=¨bold¨ mathcolor=¨#003300¨».«/mo»«mo mathvariant=¨bold¨ mathcolor=¨#003300¨».«/mo»«mo mathvariant=¨bold¨ mathcolor=¨#003300¨».«/mo»«/math»

Es solen efectuar les operacions indicades.