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matematika

V Kralovstne ktoseteimazatri odovzdali 4 chlapci papier do zberu.

Prosím pomôcť zo slovnými úlohami. A ďakujem 🙏

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7,/
Janko - 111 1/3 = (333+1)/3
kg= 334/3 /2,5 = 334/3 /2 1/2 = 334/3 / 5/2 = 2x334/3x15 = 668/15 = 44,53
Miško- 228 3/4 = (4x228 +3)/4 = (912+3)/4 = 915/4
kg= 915/4/2,5 = 915/4/ 2 1/2= 915/4/5/2 = 915x2/4x5 = 1830/20 = 91,5
Peťko = 195 1/2 = (390+1)/2 = 391/2
kg = 391/2/2,5 = 391/2/ 2 1/2=391/2/5/2 = 782/10 = 78,2
Robko = 146 1/4 = (4x146+1)/4 = 585/4
kg= 585/4 / 2 1/2 = 585/4/5/2 = 1170/20= 58,5 kg

8./
hlina = 400/3 = 133,3333 kg
odpad = 1/20 z 400/3 = 133,333/20 = 6,666 kg
figúrka = 4/15 kg z 133,333 kg = 35,55 kg
Počet figúrok = (133,333-6,66)/35,55kg = 3,5 figúrky