123 va rog Dau Coroana

1. A+820=3175 b-5371=3146
A=3175-820 b=5371+3146
A=2355 b=8517
B) 9402-c=6305
C=9402-6305
C=3097
4200+d=7000
D=7000-4200
D=2800
C) 8000-2570-x=1500
5430-x=1500
X=5430-1500
X=3930
3640+1917+y=7872
5557+y=7872
Y=7872-5557
Y=2315
2. Prima zi= 2472 kg
Aa doua zi= 3250 kg
Rămas=1950
Total= 2472+3250+1950=7672 kg
3. Trandafiri=350
Total=500
Tufanele=500-350=150