÷25=
×3.6=
4.5÷=
=
×56=
15÷=
÷0.25=
0.28×=
÷5=
×15%=
0.32×=
:( )=
2.3×6= 6.5÷0.01= 0.36÷0.4= +=
0.82= 1.2×= -= 4.3÷2.5÷4=
7.15﹣1.5= +0.25=