a) 1kg stafide=1000g stafide
1kg struguri ......200g stafide
x kg struguri......1000 g stafide
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1 •1000 = 200•x
1000=200x
x=1000:200
x=5 kg struguri
b)4kg grau....... 3kg crupe gris
?kg grau........24 kg crupe de gris
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4•24=3•x
96=3x
x=96:3
x=32 kg
Cu placere ^^