82.(18:6)×2+(17+23):4=
=3×2+40:4
=6+10
=16
83.(40:4):5+(3×8):6=
=10:5+24:6
=2+4
=6
84.(35:5)×3-(4×4):8=
=7×3-16:8
=21-2
=19
BAFTĂ!
Răspuns:
Explicație pas cu pas:
82.
2 x (18 : 6) + (17 + 23) : 4 = 2 x 3 + 40 : 4 = 6 + 10 = 16
___________
83.
(40 : 4) : 5 + (3 x 8) : 6 = 10 : 5 + 24 : 6 = 2 + 4 = 6
84.
3 x (35 : 5) - (4 x 4) : 8 = 3 x 7 - 16 : 8 = 21 - 2 = 19
