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calculati dand factor comun a)27+105-6.27+27 b)35.402+402.5-40.202 c)92500+12.925-9250

Răspuns :

[tex]a) 27*105-6*27+27 =27*(105-6+1)=27*100=2700\\ b) 35*402+402*5-40*202=402*(35+5)-40*202=402*40-\\-40*202=40*(402-202)=40*200=8000\\ c) 92500+12*925-9250=925*(100+12-10)=925*102=94350[/tex]

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