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Marcelafilip77
a fost răspuns

13) 800+ 13 948 – 22 x (200 - w: 7)] : 5= 1 000

Răspuns :

Tei77

Răspuns:

800+13948-22×(200-w:7)=5×1000=>5000

13948-22×(200-w:7)=5000-800=>4200

22×(200-w:7)=4200+13948=>18148

200-w:7=18148:22=>825

200-w=825 ×7=5775

W=5775-200

W=5575