Răspuns :
Răspuns:
2300-779=1521-b
779-1521=2300-c
779+1521+2300=4600
2300-779+1521=1521+1521=3042
1521+2300-779=3821-779=3042
(779+2300)-(2300-1521)=3079-779=2300
Răspuns:
2300-779=1521-b
779-1521=2300-c
779+1521+2300=4600
2300-779+1521=1521+1521=3042
1521+2300-779=3821-779=3042
(779+2300)-(2300-1521)=3079-779=2300