577. Выполните умножение смешанных чисел: 6) 5 1/3 * 3 1/7; 7) 3 3/7 * 2 1/3; 8) 7 1/3 * 2 2/11

6)352/21

7)8

8)16

Объяснение:

6)6 1/3×3 1/7=16/3×22/7=16×22/3×7=352/21

7)3 3/7×2 1/3= 24/7×7/3=24×1/3=8

8)7 1/3×2 2/11=22/3×24/11=2/3×24=2×8=16

6)

5 1/3 * 3 1/7 = 16/3 * 22/7 = 352/21 = 16 16/21;

7)

3 3/7 * 2 1/3 = 24/7 * 7/3 = 24/3 = 8;

8)

7 1/3 * 2 2/11 = 22/3 * 24/11 = 2 * 8 = 16