Question

b) [36:(24-x)+29];5=7
c) t:[(921-639):6-39]=9
d){[(a+4)x3]+3}:5=6
e) (y:5-4):3-260:2=1
Aflati termenul necunoscut!

Answer 1

b) 36:(24-x)+29=7×5
36:(24-x)=35-29
36:(24-x)=6
24-x=36:6
24-x=6
x=18

c) t:(282:6-39)=9
t:(47-39)=9
t:8=9
t=72

d)[(a+4)x3]+3=5×6
(a+4)×3=30-3
a+4=27:3
a+4=9
a=5

e)(y:5-4):3-130=1
(y:5-4):3=130+1
y:5-4=131×3
y:5-4=393
y:5=393+4
y:5=397
y=5×397
y=1985

Sper ca te-am ajutat!!