Question

urgent proplema 134 prin desen dau coroana

Answer 1

134 :


a |-------| } 86
b |-------|-4-|
c |-------|-4-|-------|-4-|-------|-4-|-------|-4-|

86 - ( 4 × 5 ) = 86 - 20 = 66 ( 6 segmente egale )

66 : 6 = 11 ( un segment )

a = 11

b = 11 + 4

b = 15

c = 15 × 4

c = 60

Answer 2

a|---|
b|---|+4
c|---|---|---|---|+16
86-20=66
66:6=11(a)
11+4=15(b)
15x4=60(c)