Question

u) (7x7 - 6x6 + U) - 24:3-2 x 10 = 81:9;
v) (v-5x5- 2 x 8) + 6 x 5-5 x 10 = 6:2;
N​

Answer 1

U)
(7•7-6•6+U)-24:3-2•10=81:9=
(49-36+U)-8-20=9
(13+U)-8-20=9
13+U-8-20=9
-15+U=9
U=9+15
U=24


V)
(V-5•5-2•8)+6•5-5•10=6:2
(V-25-16)+30-50=3
(V-41)+30-50=3
V-41+30-50=3
V-61=3
V=3+61
V=64



Coroana?