A÷b=3 rest 7 a+b=83 cat este a si cat este b

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30 Agustus 2025 matematica 5 minute
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Clasă: Education Materie: matematica
A÷b=3 rest 7 a+b=83 cat este a si cat este b
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a:b=3r7=>a=3b+7
a+b=83
3b+7+b=83
4b=83-7
b=76:4
b=19
a=3x19+7
a=64
Răspunsul a fost dat în data 30 Agustus 2025
(134)
A÷b=3 rest 7 ; a= 3b+7 , înlocuim a+b=83 ; 3b+7+b= 83 ; 4b= 83-7 ; 4b= 76 ; b=76:4=19 ; b=19 . a=3b+7= 3*19 +7= 57+ 7= 64. a=64
Răspunsul a fost dat în data 30 Agustus 2025

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