Question

5 Kg visine|||||8Kg capsuni→136 lei

7 kg visine|||||16 Kg capsuni.

Cat costa 1 kg de visine?
Cat costa 1 kg de capsuni?

Metoda comparatiei!!!!repedeee va rog!
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20 gaini si 7 gaste consuma intrun an 1878 kg graunte.30 gaini si 7 gaste consuma 2558 kg graunte.Cate kg graunte consuma o gaina?Dar o gasca?
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12 m stofa si 5 m panza costa 1060 lei
6 m stofa si 7 m de stofa costa 260 lei.Cat costa 1 m de stofa?Cat costa 1 m de panza?
(METODA COMPARATIEI)

Dau coroana!!!!

Answer 1

5 Kg visine...8Kg capsuni...136 lei 7 kg visine...16 Kg capsuni...248 lei Inmultim prima relatie cu 2 si obtinem: 10 kg visine...16 kg capsuni...272 lei 7 kg visine...16 Kg capsuni...248 lei 1) Cate kg visine sunt in plus? 10-7=3 (kg visine) 2) Cat costa cele 3 kg visine in plus? 272-248=24 (lei in plus 3 kg visine) 3) Cat costa 1 kg de visine? 24:3=8 (lei 1 kg de visine) 4) Cat costa 10 kg de visine? 18×8=80 (lei 10 kg visine) 5) Cat costa 16 kg capsuni? 272-80=192 (lei 16 kg cspsuni) 6) Cst costa 1 kg de capsuni? 192:16=12 (lei 1 kg de capsuni) Verificare: 5×8+8×12=40+96=136 20 gaini...7 gaste...1878 kg graunte 30 gaini...7 gaste ....2558 kg graunte 1) Cate gaini sunt in plus? 30-20=10 (gaini in plus) 2) Cate kg graunte consuma in plus ce 10 gaini? 2558-1878=680 ( kg graunte consumate in plus) 3) Cate kg graunte consuma o gaina? 680:10=68 ( kg graunte 1 gaina) 4) Cate kg graunte consuma 20 de gaini? 20×68=1360 (kg graunte 20 gaini) 5) Cate kg graunte consuma 7 gaste? 1878-1360=518 ( kg graunte 7 gaste) 6) Cate kg de graunte consuma o gasca? 518:7=74 (kg graunte 1 gasca) Verificare: 20×68+7×74=1360+518=1878