Найдите произведение 1) 5/9 × 3/25; 2) 14/24 × 5/7; 3) 7/8×16/35 4) 4/15 × 3/8; 5) 15/14...

Question

Найдите произведение 1) 5/9 × 3/25; 2) 14/24 × 5/7; 3) 7/8×16/35 4) 4/15 × 3/8; 5) 15/14 × 2/3. Помогите срочо

Answer 1

1) 1/15

2) 5/12

3) 128/35

4) 1/10

5) 5/7

Comments

У него

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1) 5/9 * 3/25 = 15/225 = 1/152) 14/24 * 5/7 = 70/168 = 10/24 = 5/123) 7/8 * 16/35 = 112/280 = 28/70 = 4/10 = 2/54) 4/15 * 3/8 = 12/120 = 1/105) 15/14 * 2/3 = 30/42 = 5/7

Answer 2

5/9*3/25 = 1/15

14/24*5/7 = 10/24

7/8*16/35 = 14/35

4/15*3/8 = 1/10

15/14*2/3 = 10/2 = 5

Comments

10/24 = 5/12