A:H
B:Na
C:Al
D:Si
I have two big eyes and a big mouth.
已知函数f(x)=5x,g(x)=ax2﹣x,若f(g(1))=1,则a=( )
55+4 =____ 67+2 =____ 40+50 =____ 80 – 30 =____ 70 – 20 =____
55+40 =____ 37+60=____ 40+28 =____ 76 +10 =____ 40+8=____
83 – 20 =____ 74 – 60 =____ 37 – 3 =____ 63 – 20 =____ 46 – 10 =____