Question

$(c - 54 \times 19) \div 9 + 72 = 720$
dau coroana
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Answer 1

(c-1026):9=720-72

(c-1026):9=648

c-1026=9•648

c=5832+1026

c=6858

Answer 2

Răspuns:

(c-1026):9=720-72

c-1026=648·9

c=5832+1026

c=6858