=
10﹣10%=
8×12.5%=
0.3×0.4=
2.95+0.5=
2÷0.25=
8.7﹣7=
÷=
4﹣﹣=
7×÷7×=
44÷=
75÷10%=
0.9+99×0.9=
93=
( )○( )=( )