÷0.625=
90%+10%=
100×=
60×20%=
0.52=
56×=
×=
×0.48=
〇 〇 〇
〇5 〇 〇
×0=
=
×12=
×100=
18×=
×3=
=
= = ×0= =
×12= = 45×= ×=