Question

найдете неизвестный член пропорции (75,76 )


76. 1) 8/14 = х/35 3) 4/х = 6/18
2) 7/28 = х/12 4)14/10 = 21/х


5)х/10 = 18/60
6)45/25 = 18​

Answer 1

1) x = 8×35/14

x = 20

2) x = 7×12/28

x = 3

3) x = 4×18/6

x = 12

4) x= 21×10/14

x = 15

5) x = 18×10/60

x = 3

6) если x/18, то:

x = 45×18/25

x = 32,4

если 18/x, то:

x = 18×25/45

x = 10