0.375×0.375= 1 ÷12.5%=
5×=
3×=
9×=
×8=
×6=
×25=
×9=
× =
①+++
②(-+)×24
③1.5×+8.5×
④4×0.8×2.5×12.5
⑤25××40%×
⑥÷[(+)×]