1) А(2) Б(3) В(1)
2) -25, -20, -16
q= -20/-25= 4/5
-16*4/5= -12,8
b4= -12,8
3) (a-3)²-a(6+a)= a²-6a+9-6a-a²= 9-12a= 9+12*1/12= 9+1= 10
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1) А(2) Б(3) В(1)
2) -25, -20, -16
q= -20/-25= 4/5
-16*4/5= -12,8
b4= -12,8
3) (a-3)²-a(6+a)= a²-6a+9-6a-a²= 9-12a= 9+12*1/12= 9+1= 10