Question

сократи дробь 2×3/2×5

Answer 1

получаем:
2/3 * 5/2
двойки сокращаем получаем 3/5

Answer 2

2*3/2*5=3/5..........

Answer 3

5×7/3×5,3×7/6×5

Answer 4

5*7/3*5=7/3=2.1/3

Answer 5

3*7/6*5=0.7