1.24l;24:2=12l;24×2=48
58kg;58×2=116kg;58:2=29kg
92m;92×2=184m;92:2=46m
124cm;124×2=248cm;124:2=62cm
120min.;120×2=240min.120:2=60min
2. 1 bidon=4l
3 bidoane=12l (4×3)
dacă sunt 6 bidoane si stim 3,atunci celelalte sunt tot 3.(6-3)
1 bidon =10l
3 bidoane =30l
R:12l+30l=42l
3.catul:1000:500=2
diferenta:1000-500=500
4.fete =79×2
fete=158
copii=79+158
copii =237