А)3/7*2-целых 1/3 б)7/8* 5-целых 1/3

Question

А)3/7*2-целых 1/3 б)7/8* 5-целых 1/3

Answer 1

3/7×2 1/3=3/7×7/3=1/1×1/1=1×1=1

7/8×5 1/3=7/8×16/3=7/1×2/3=14/3=4 2/3

Answer 2

3\7*2цел.1\3=3\7* 7\3=(3*7)\(7*3)=1
7\8*5цел.1\3=7\8*16\3=(7*16)\(8*3)=(7*2)\(1*3)=7\3

Comments

точнее 14\3