Răspuns :
Răspuns:
357:a=21
a=357:21=>a=17
1536:(b+20)=64
b+20=1536:64
b=24-20=>b=4
(176:4+8×7) :c =20
(44+56):c=20
100:c=20=>c=100:20=>c=5
__________________
a=712+1=>a=713
a:b=3 rest 2
713:b=3 rest2
713=3b+2
713-2=3b
b=711:3=>b=237
c=13b=>c=13·237=>c=3081
a+b+c=713+237+3081
a+b+c=4031