5.3÷0.01=
80%:6=
0.75+99×0.75=
=
×75% =
12÷()=
8×0.5÷0.5×8=
84%=
0.25=
×24= 24÷=
÷2= 35÷= 25×20%=
×= 1.8×= ×= ×=
×= ×24= 2.4×= ×0=
3.14×6= 2×3.14×12= + =
0÷20%= 60×30%= 25÷40%=
36× = ÷ = 3× ÷3× =