Tìm x a) x + (5621+ 1236) × 5 = 225690 b) x - 12 × 5 × 9 + 567= 1000 c) x + 2 + x + 4 + x + 6 + x + 8 = 25760 d) (6975 – x + 785) : 4= 859

Tìm x

a) x + (5621+ 1236) × 5 = 225690	b) x - 12 × 5 × 9 + 567= 1000
c) x + 2 + x + 4 + x + 6 + x + 8 = 25760	d) (6975 – x + 785) : 4= 859