$22-12 = $  

$5\times(-3) = $

$4\times(-10) = $

$-12,3+9,8 = $  

$(-4)\times(-2,5) = $

$B = 3\times(-7)- 3 \times (-7) =$

$E = 17+5\times(-4) =$

$10,6-6,8 = $  

$-23+(-20) = $  

$H = 6-3\times(-2) =$

$-12,1-6,4 = $  

$(-4)\times 0,5 = $

$H = (4-7)\times(1-7) =$

$10-(-16) = $  

$-4,9+(-17,7) = $  

$-10+11 = $  

$D = 11-3\times 6 + 12 =$

$-8-18 = $  

$D = 2\times(-2)- 3 \times (-4) =$

$(-3,5)\times(-2) = $