Răspuns :
50/100× n=15
50 n/100=15
50 n=15×100
n=1500:50
n=30
12,3/100× n=246
12,3 n/100=246
12,3 n=24600
n=24600:12,3
n=2000
50 n/100=15
50 n=15×100
n=1500:50
n=30
12,3/100× n=246
12,3 n/100=246
12,3 n=24600
n=24600:12,3
n=2000
50℅×n=15
50/100×n=15
1/2×n=15
n=15:1/2
n=15×2
n=30
12,3℅×n=246
12,3/100×n =246
0,123×n=246
n=246:0,123
n=246×1/0,123
n=2000
50/100×n=15
1/2×n=15
n=15:1/2
n=15×2
n=30
12,3℅×n=246
12,3/100×n =246
0,123×n=246
n=246:0,123
n=246×1/0,123
n=2000