:0 1/6 3/8 1/2 1/2 ()
A.5/13
B.7/13
C.5/12
D.7/12
0,1,1/4,1/2,(),5/64 A.1/8 B.1/6 C.3/16 D.3/8
0,1/6,3/8,1/2,1/2,()A5/13 B7/13 C5/12 D7/12
:-5/6,0,3,8,7,()。A.4 B.1 C. 0 D. -2
-5/6,0,3,8,7,()。A.4 B.1 C. 0 D. -2
0,1,1/4,1/2,(),5/64A.1/8 B.1/6 C.3/16 D.3/8
简算 102×0.450.25×3.2×12.52.5×1.2+2.5×1.8+2.54.8÷0.5÷6.