C:V/5mL
D:V/6mL
A:无法判断
B:V/4mL
下列关于生物的描述中,正确的是( )
34 ×2.8=
0.75+ 14 =
37 × 13 =
910 ÷ 35 =
12 ÷60%=
34 ﹣ 34 × 16 =
120× 720 =
18× 35 × 59 =