Question

Вычеслить 5/12:55/72= ?; 5/6х1,2=?;

Answer 1

5/12÷55/72=5/12×72/55=1/1×6/11=6/11

5/6×1.2=5/6×1 2/10=5/6×12/10=1/1×2/2=2/2=1