Вправи 201 - 300 » 215

Розв’яжи рівняння. х + 3700 = 4612 • 2 х + 3700 = 9224 х = 9224 – 3700 х = 5524_________ 5524 + 3700 = 9224 9224 = 9224 815 185 – z = 6173 • 4 815185 – z = 24692 z = 815185 – 24692 z = 790493________ 815185 – 790493 = 24692 24692 = 24692 у : 4 = 32 153 у = 32153 • 4 у = 128612______ 128612 : 4 = 32153 32153 = 32153 х : 9 = 5287 х = 5287 • 9 х = 47583_____ 47583 : 9 = 5287 5287 = 5287