⑴4.8-2.8=
⑵3.1+2.32=
⑶9.3×100=
⑷10-2.4=
⑸7.3-2.5=
⑹0.4×4=
⑺53.8÷100=
⑻2.04+1.5=
⑼2.5×0.4=
⑽15.6+2.8=
⑾1.57×8=
⑿0.3×0.6=