Пожалуйста помогите.1/3×2/7 1/2×5/6 3/4×1/4 4/9×2/3 2/5×7/5
1/3×2/7=2/21 1/2×5/6=5/12 3/4×1/4=3/16, конечно! 4/9×2/3=8/27 2/5×7/5=14/25