Вправи 501 - 600 » 585

Розв’яжи рівняння. 24 – а = 8 а = 24 – 8 а = 24 – 4 – 4 а = 20 – 4 а = 16______ 24 – 16 = 8 8 = 8 х – 18 = 36 х = 36 + 18 х = 36 + 14 + 4 х = 50 + 4 х = 54________ 54 – 18 = 36 36 = 36 b + 27 = 95 b = 95 – 27 b = 95 – 25 – 2 b = 70 – 2 b = 68_______ 68 + 27 = 95 95 = 95 64 + а = 100 а = 100 – 64 а = 100 – 60 - 4 а = 40 – 4 а = 36_______ 64 + 36 = 100 100 = 100

Вправи 501 - 600