Question

0 , 4 x 4 − 1 , 2 x 2 и 0 , 9 x 2 + 1 , 2 x 3 − 2 x 4

Answer 1

Ответ:

4*4-1=15

2*2*0=0

9*2+1=19

2*3-2*4=-2

Answer 2

It seems like you've provided a series of mathematical expressions separated by commas. Would you like me to perform any specific operations on these expressions, such as simplification or calculation? Please clarify your request.