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Xx7=56. y= 100-752-200-6x8

Răspuns :

X x 7 = 56
X = 56 : 7
X = 8
verificare: 8 × 7 = 56



y = 1 000 - 752 - 200 - 6 x 8
y = 248 - 200 - 48
y = 48 - 48
y = 0