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4024-a=2878
6109-d=2188
b-3467=4856
8200-e=6153
c+2196=5003
f-6387=2890
dau coroana​


Răspuns :

Răspuns:

4024-a=2878

6109-d=2188

b-3467=4856

8200-e=6153

c+2196=5003

f-6387=2890

=>

4024-2878= 1146

4024-1146=2827

6109-2188=3921

6109-3921=2188

4856+3467=8323

8323-3467=4856

8200-6153=2047

8200-2047=6153

5003-2196=2807

2807+2196=5003

6387+2890=9277

9277-6387=2890