Вычислите: 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)...

Question

Вычислите:
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;

Answer 1

2) (3/4)²*32/45=9/16×32/45=2/5


3) (1/2)²*4/5=1/4×4/5=1/5


4) (2 5/7)²*14/19=(19/7))²×14/19=361/49×14/19=
38/7=5 3/7


5) (2 1/3)²*27/98=(7/3)²×27/98=49/9×27/98=
3/2=1 1/2


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= 4/9×15/24=5/18

Comments

Огромное спасибо!

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