👤
a fost răspuns

calculeză (18 × 8+56) ÷[50×40÷(220-2×60)

Răspuns :

(18×8+56):[50×40:(220-2×60)]
=(144+56):[2000:(220-120)]
=200:(2000:100)
=200:20
=10
=(18 × 8+56) ÷[50×40÷(220-2×60)
=(144+56) : [50x 40: (220- 120)
=200: (50x 40:100)
=200: (2000:100)
=200:20
=10