12รท2456
a+b=16
a-c=-6
a-d=4
b+d=12
c+d=4
a>0,a<10
b>0,b<10
c>0,c<10
d>0,d<10
a>0,<10
b>0,<10
c>0,<10
d>0,<10
15 shots = 9 baskets
0 = -6x + 3
x (x-5) = -6
f(x) = -6x + 3
a=(>0,<10)
b=(>0,<10)
c=(>0,<10)
d=(>0,<10)
319 DIVIDED BY 11