Ответ:

1)6x4 * y6 = 3y3

y3 15x8 5x4

2)42a2 : 4ab = 42a2 * 1 = 12a

b4 1 b4 4ab b5

3) (2a3)3 = 8a9

( b4 ) b12

4)x-y * 8 = 8

6a x-y 6a

5)5a+5b * b5 = 5(a+b) * b5 = 5

b10 a+b b10 a+b b5

6)x2-16 : x-4 = (x-4)(x+4) * 25x2 = 5x2+20x

5x 25x2 5x x-4

7) 35 : 45 = 35 * x6y3 = 7y3

x10 x6y3 x10 45 8x4

8) a-4 : a-4 = a-4 * 5a-30 = -30

a2-6a 5a-30 a2-6a a-4 a2-a

9)( - 3a4)2 = 9a8

( x7 ) x14

10)3a4b5 *4c2b4 = 6b9

10c5 a7 5a4c3