Вычислите:
1) (5/7)²*7/15;
2) (3/4)²*32/45;
3) (1/2)²*4/5;
4) (2 5/7)²*14/19;
5) (2 1/3)²*27/98;
6) (8/11)²*11/32;
7) (3/10)²*5/6;
8) (2/3)²*15/24;
1) (5/7)²*7/15;
2) (3/4)²*32/45;
3) (1/2)²*4/5;
4) (2 5/7)²*14/19;
5) (2 1/3)²*27/98;
6) (8/11)²*11/32;
7) (3/10)²*5/6;
8) (2/3)²*15/24;
Answers & Comments
2) (3/4)²*32/45 =9/16*32/45 = 18/45
3) (1/2)²*4/5 = 1/4*4/5 = 1/5
6) (8/11)²*11/32 = 64/121*11/32 = 2/11
7) (3/10)²*5/6 = 9/100*5/6 = 3/40
8) (2/3)²*15/24 = 15/54