Реши уравнения с объяснением. b - 8 = 54; x - 36 = 40; k + 14 = 20 !
B-8=54 b=54+8 b= 62 54=54 x-36=40 x=40+36 x=76 40=40 k+14=20 k=20+14 k=34 20=20
B - 8 = 54 x - 36 = 40 k + 14 = 20 b = 54 + 8 x = 40 + 36 k = 20 - 14 b = 62 x = 76 k = 6 62 - 8 = 54 76 - 36 = 40 6 + 14 = 20 54=54 40 = 40 20 = 20