а) 4/8 = 1/2б) 18/24 = 3/4в) 33/55 = 3/5г) 14/70 = 1/5д) 50/125 = 2/5е) 96/1922 = 48/961
а) 0.55 = 55/100 = 11/20б) 0.27 = 27/100 = 27/100в) 0.625 = 625/1000 = 5/8
а) 3 дм = 3/10 метраб) 24 см = 24/100 метра = 6/25 метрав) 13 мм = 13/1000 метра = 13/1000 метра
а) 13/48 + 11/48 - 8/48 = 16/48 = 1/3б) 5 7/12 + 3 3/12 - 1 1/12 = 8 1/12 - 1 1/12 = 7
а) 186/827 = 3/9 = 1/3б) 242225/507211 = 13200/39600 = 11/33
а) 2913+292 / 5830 = 29(13+2) / 5830 = 2915 / 5830 = 435 / 1740 = 15/60 = 1/4б) 932-326 / 1618 = 32(9-6) / 1618 = 323 / 1618 = 96 / 288 = 1/3
4 23/25 + х = 3 11/25 + 2 13/254 23/25 - 3 11/25 = 1 12/251 12/25 = 37/2537/25 + x = 67/25x = 67/25 - 37/25x = 30/25x = 6/5
а) 4/8 = 1/2
б) 18/24 = 3/4
в) 33/55 = 3/5
г) 14/70 = 1/5
д) 50/125 = 2/5
е) 96/1922 = 48/961
а) 0.55 = 55/100 = 11/20
б) 0.27 = 27/100 = 27/100
в) 0.625 = 625/1000 = 5/8
а) 3 дм = 3/10 метра
б) 24 см = 24/100 метра = 6/25 метра
в) 13 мм = 13/1000 метра = 13/1000 метра
а) 13/48 + 11/48 - 8/48 = 16/48 = 1/3
б) 5 7/12 + 3 3/12 - 1 1/12 = 8 1/12 - 1 1/12 = 7
а) 186/827 = 3/9 = 1/3
б) 242225/507211 = 13200/39600 = 11/33
а) 2913+292 / 5830 = 29(13+2) / 5830 = 2915 / 5830 = 435 / 1740 = 15/60 = 1/4
б) 932-326 / 1618 = 32(9-6) / 1618 = 323 / 1618 = 96 / 288 = 1/3
4 23/25 + х = 3 11/25 + 2 13/25
4 23/25 - 3 11/25 = 1 12/25
1 12/25 = 37/25
37/25 + x = 67/25
x = 67/25 - 37/25
x = 30/25
x = 6/5