Doua cutii cu biscuiți cântăresc 33 kg. A doua cutie cântărește cu 3 kg mai mult decât jumătate din prima cutie. Cat cântărește fiecare cutie. Metoda grafică

Răspunsul a fost dat de: USER1734
2 September 2025 matematica 5 minute
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Clasă: Education Materie: matematica
Doua cutii cu biscuiți cântăresc 33 kg. A doua cutie cântărește cu 3 kg mai mult decât jumătate din prima cutie. Cat cântărește fiecare cutie. Metoda grafică
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a+b=33

a:2+3=b

Inlocuim:

a+a:2+3=33

a+a:2=30

3×(a:2)=30

a:2=10

a=20

b=13

Verific. Mia dat

R: prima cutie cântărește 20 kg

a doua cutie cântărește 13kg



Răspunsul a fost dat în data 2 September 2025

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