Пошаговое объяснение:
1 1/2•3/17+19/48•5+1.14/17•7/48:1/5
1)3/2×3/17=9/34
2)19/48×5/1=95/48
3) 1 14/17×7/48= 31/17×7/48= 217/816
4)217/816÷ 1/5= 217/816×5/1= 1085/816= 1 269/816
5)9/34+95/48=216/816+1615/816= 1831/816
6)1831/816+1085/816=243/68=3 39/68
Пошаговое объяснение:
1 1/2•3/17+19/48•5+1.14/17•7/48:1/5
1)3/2×3/17=9/34
2)19/48×5/1=95/48
3) 1 14/17×7/48= 31/17×7/48= 217/816
4)217/816÷ 1/5= 217/816×5/1= 1085/816= 1 269/816
5)9/34+95/48=216/816+1615/816= 1831/816
6)1831/816+1085/816=243/68=3 39/68