Помогите пж 1 и 2 задание ** скрине

Question

Помогите пж
1 и 2 задание на скрине

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Comments

Сама решила. Но сомневаюсь )))

Answer 1

№ 1.
а) 5/7 = 10/14
б) 4/9 = 28/63
в) 64/112 = 4/7
г) 45/147 = 15/49
№ 2.
8/20 = 2/5
10/24 = 5/12
12/32 = 3/8
24/42 = 4/7
18/30 = 3/5
90/120 = 3/4

80/56 = 10/7 = 1 3/7
36/27 = 4/3 = 1 1/3
200/24 = 25/3 = 8 1/3
145/100 = 29/20 = 1 9/20
39/13 = 3
56/14 = 4

15 * 14 
----------- = 15/28 * 14/12 = 15/2 * 1/12 = 15/24 = 5/8 
28 * 12

9 * 8
-------------- = 9/16 * 8/27 = 1/2 * 1/3 = 1/6
16 * 27

22 * 36 
----------- = 22/27 * 36/44 = 2/3 * 4/4 = 2/3
27 * 44

12 * 15 
----------- =  12/25 * 15/16 = 3/5 * 3/4 = 9/20
25 * 16 

Answer 2

5/7=10/14,4/9=28/63, 64/112=4/7, 45/147=14/49
8/20=2/5, 10/24=5/12, 12/32=3/8, 24/42=12/21, 18/30=9/15, 90/120=3/4
80/56=10/7=1 3/7, 36/27=4/3=1 1/3, 200/24=25/3=8 1/3, 145/100=1,45,
39/13=3, 56/14=4
15*14/28*12=5*1/2*4=5/8, 9*8/16*27=1*1/2*3=1/6, 22*36/27*44=1*2/3*1=3/2
12*15/25*16=3*3/5*4=9/20