1. 1/6 = 3/18, 1/9 = 2/18
1/30 = 5/150, 1/50 = 3/150
1/24 = 5/120, 1/120
3/40 = 15/200, 7/25 = 56/200
2. 30/48 = 5/8 = 35/56 < 36/56
56/84 = 8/12 = 72/108 < 82/108
121/77 = 11/7 = 33/21 < 45/21
49/63 = 7/9 = 35/45; 34/85 = 2/5 = 18/45; 35/45 > 18/45; 49/63 > 34/85
100метров 70дециметров и 9сантиметров
1 ЭТО ОДИН, ИБО 3-2=1 ........................................................................
1) 163233:9=18137
2) 954:2=477
3)500:4=125
4)1139349:3=379783
5)18137+477=18614
6)18614+125=18739
7)18739+379783=398522