Question

Знайди добуток:
1) 2/7 * 4/7;
2) 7/20 * 10/21;
3) 8/9 * 27/32;
4) 23/28 * 49/46
СРОЧНО ДАЮ 20 БАЛОВ​

Answer 1

(2/7) * (4/7) = 8/49

(7/20) * (10/21) = 35/84

(8/9) * (27/32) = 216/288 = 3/4

(23/28) * (49/46) = 1127/644 = 61/44